Which of a woman's grandparents could not be the source of any of the genes on either of
her x-chromosomes?
a) mother's mother
b) father's mother
c) mother's father
d) father's father
e) mother's mother and father's father
Answers
The woman's father's father could not be the source of any of the genes on either of her X-chromosomes.
What is a woman's X-chromosome?Women have two X chromosomes in their cells, one from each parent. The X-chromosome has genes that are associated with female sexual characteristics and traits as well as some that are not gender-specific. There are many different X-chromosome genes, each with its own specific set of traits, that may be passed from one generation to the next. What is the relationship between grandparents and X-chromosomes?It is impossible for a woman to inherit X-chromosomes from her father's father. This is due to the fact that the father's father (paternal grandfather) only contributes to his son's Y-chromosome (and not to his X-chromosome). The woman obtains one X chromosome from her father and one X chromosome from her mother. As a result, her X-chromosome cannot be derived from her father's father.
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Related Questions
What is not a following factor influencing natural selection
Answers
In many eukaryotic cells, DNA stored in the nucleus is transcribed into messenger RNA. The mRNA is then transported into the cytoplasm where ribosomes assist in their translation into proteins. Finally, these proteins are packaged and sorted in the Golgi apparatus for use in other parts of the cell or in preparation for secretion into other cells. Which of the following statements is supported by this description?
Answers
Answer:
The statement supported by the description of the process of protein synthesis determined by DNA and its packaging and sorted by the Golgi apparatus is that various organelles within a cell interact with each other to carry out life processes (option D).
Explanation:
From the transcription of RNA from DNA to protein synthesis and its packaging and distribution, the participation of organelles is observed:
Cell nucleus: contains the DNA and is where the transcription into mRNA occurs. Ribosomes: where the mRNA is coupled to produce translation and protein synthesis. Rough endoplasmic reticulum: contains ribosomes and participates in the process of membrane protein synthesis, also contributing to their conjugation, glycosylation or sulfonation. Golgi apparatus: it is in charge of receiving synthesized proteins, packaging and distributing them to be sent to the extracellular space or other cells.In this way, the coordination of the functions of various organelles is useful and necessary to fulfill vital functions. The statement that varoius organelles within the cell interact with each other to carry out life processes is, therefore, correct.
The options for this question are:
A. Organelles within a cell act independently of each other at all times
B. Some organelles are more important than other organelles within a cell.
C. Only up to three organelles may interact with each other at any given moment in time.
D. Various organelles within a cell interact with each other to carry out life processes.
Transpiration takes place through _____
Answers
Answer:
transpiration takes place through stomata
Which of the following is NOT a system of agriculture?
O Animal Science
O Power, Structural, and Mechanical Systems
O Computer Science and Space Engineering
O Social Systems
Answers
Another name for a chart is “Matrix.” Please select the best answer from the choices provided T F
Answers
Answer: True
Explanation:
Answer:
true
Explanation:
im not smart
What atoms make up chromosome
Answers
chromosomes are made of dna that are tightly wrapped around proteins called histones
Which mechanism causes postzygotic reproductive isolation? a) temporal isolation b) hybrid sterility c) habitat isolation d) mechanical isolation.
Answers
B. One instance is post-zygotic reproductive isolation is hybrid sterility. Hybridization between two species is possible in the event of hybrid sterility, but the resulting offspring are infertile; the hybrid are sterile.
Isolation of the postzygote. For sexually reproducing animals, postzygotic isolation happens when the zygotes (offspring) of a hybrid mating are inviable or sterile. These come about as a result of sexual or natural selection, and even genetic drift: The development of various mating sites, mating hours, or mating customs: Reproductive isolation & speciation may be completed by genetic modifications to these characteristics of pairing. Zygote mortality is one instance of postzygotic isolation. The zygote dies at this point because it cannot develop normally. Typically, hybrid goat-sheep kids behave in this way.
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2. Explain why group behavior, such as schooling, is more about individual advantage than group advantage:
Answers
Answer:
In this particular group behavior, school is more about individual advantage because it focuses more on your own effort or performance rather than teamwork or of your classes performance for example. You accomplish every step or task on your own. For instance when you take a test, you are INDIVIDUALLY taking the test and will be graded based on your individual performance rather than relying on other people.
Explanation:
hope this helps have a great day:)
Which of the following terms is defined as the use of technology to change the genetic makeup of a species?
fertilization
genetic modification
genome
irrigation
Answers
Answer:
\/ \/ \/ (if this helps)
Explanation:
Genetic modification is the method of modifying an organism's genetic structure by using recombinant DNA (rDNA) technology. A gene from another animal is most commonly applied to the genome of an organism to give it a phenotype that is desired.
Which defines a cell?
A. microscopic organism I in water
B. protein molecules in animals
C. the basic unit of living things
D. the smallest type of animal
Answers
Answer:
C
Explanation:
Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. ... Cells have many parts, each with a different function. Some of these parts, called organelles, are specialized structures that perform certain tasks within the cell.
cells. the smallest part of a living thing that can carry out the activities needed for life. organism. a living thing. organelle.
Anemia is a blood disorder that can occur when hemoglobin is unable to carry oxygen to the tissues. One cause of anemia is a deficiency in calcium. Iron. Potassium. Carbon.
Answers
the answer to your question is iron
Correct answer is B. Iron
WILL GIVE BRAINLIST 35 POITSN!!!!!!!!!!!!!!!!!!!!!!!!!! You Are What You Eat Article!
The following questions are based on the article we read in class: You Are What You Eat- Article
Which of the following statements about carbohydrates are NOT true?
A. Your body uses carbohydrates to give you energy and keep everything going.
B. Carbohydrates can be referred to as simple or complex sugars.
C. Starch is an example of a simple carbohydrate.
D. Starch must be broken down through digestion before your body can use it as an energy source.
Answers
Answer:
D. Starch must be broken down through digestion before your body can use it as an energy source.
Explanation:
Starch starts to be broken down starting with saliva in the mouth.
hope this helps!
Answer:
C
Explanation:
starch is NOT a simple carbohydrate because it is made up of longer chains of sugars and therefore it takes longer for the digestive system to break it down . simple carbohydrates contain smaller glucose/sugar chains and therefore take less time to break down
hope this helps :)
connolly id, li y, gephart mh, nagpal s. the ‘liquid biopsy’: the role of circulating dna and rna in central nervous system tumors. curr neurol neurosci rep. 2016; 16: 1–8
Answers
The article you mentioned, titled "The 'Liquid Biopsy': The Role of Circulating DNA and RNA in Central Nervous System Tumors," was published in the journal Current Neurology and Neuroscience Reports in 2016. The authors of the article are Connolly ID, Li Y, Gephart MH, and Nagpal S. The article discusses the potential of liquid biopsy as a diagnostic and monitoring tool for central nervous system (CNS) tumors.
Liquid biopsy refers to the analysis of circulating DNA and RNA in bodily fluids, such as blood, cerebrospinal fluid (CSF), or urine, to detect and monitor various diseases, including cancer. In the context of CNS tumors, liquid biopsy has the potential to provide a non-invasive method for the early detection, molecular profiling, and monitoring of these tumors.
The authors discuss different aspects of liquid biopsy for CNS tumors, including the challenges associated with obtaining suitable samples, the potential of circulating tumor DNA and RNA as biomarkers, and the techniques used for their analysis. They highlight the advantages of liquid biopsy over traditional tissue biopsies, such as its minimal invasiveness, ability to capture tumor heterogeneity, and potential for real-time monitoring of treatment response and disease progression.
The article also discusses specific applications of liquid biopsy in CNS tumors, such as the detection of genetic alterations, identification of tumor-specific mutations, assessment of treatment response, and detection of minimal residual disease. The authors present various studies and clinical trials that have explored the use of liquid biopsy in CNS tumors and discuss the potential future directions and challenges in this field.
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the outer portion of the pericardium is a tough, dense connective tissue layer called the ______ pericardium.
Answers
The pericardium serves as a lubricant to lessen friction between the heart and the surrounding structures, as well as mechanical protection for the heart and large veins. Mesothelial cells play a critical part in all areas of pericardial function.
What is the main role of pericardium?It keeps your heart in its proper position within the chest cavity and guards against infections. The serous pericardium makes up the inner layer.
The pericardium has two walls: an outer layer of fibrous tissue and an interior layer of serous tissue. The pericardium's fibrous layer is a single layer of connective tissue that is composed primarily of collagen type I and type III and elastin fibers. It is elastic but non-distensible.
Therefore, The outer layer is the fibrous pericardium. It's joined to your diaphragm and is formed of dense connective tissue.
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Ecosystems Unit Test 8 of 8 Items Item 8 Discuss an ecosystem in which there is a producer, a consumer, a secondary consumer, and a decomposer. Name the ecosystem and specific organisms for a producer, consumer, secondary consumer, and decomposer
Answers
Answer:
The ecosystem, in this case, is a forest. The producers are plants. The deer, who eats the plants, is the consumer. The wolf, who eats the deer, is the secondary consumer, and earthworms are the decomposers.
Explanation:
An ecosystem is a group of beings that are in a certain area where they interact with each other and with their surroundings. In this case, we describe a trophic level with beings that are in the forest.
Producers are beings that produce their food, like plants.Consumers or primary consumers are animals that eat producers. They are herbivores.Secondary consumers eat primary consumers. They can be omnivores, or like in this case, carnivores.Decomposers are bacterias, mushrooms, or earthworms. They act on all levels breaking down the rest of the animals and plants, obtaining nutrients to nourish the soil, and start the cycle again.What is homeostasis? What is an example of homeostasis?
Answers
Answer: the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.
Explanation: one of the most familiar examples of homeostasis Body temperature control in humans
plz mark brianliest
Answer:
Homeostasis is the ability of the body to maintain a stable internal environment despite changes in external conditions
I am terribly sorry that this is only the definition of homeostatis... I can't think about much science right now, it is very late where I am at the moment. Good night, and have a great scientific life.
Base your answer to the question on the information below and on your knowledge of biology.
A student wants to bake the biggest loaf of bread in the local baking contest. Each contestant must use the same amounts of flour, sugar, and yeast, but is allowed to
vary the type of sugar. Yeast is a microorganism that carries out cellular respiration, which produces carbon dioxide, making the bread rise. The student designs an
experiment using the setup below to determine which sugar source (glucose, sucrose, or fructose) will cause the yeast to produce the most carbon dioxide and
therefore, the biggest loaf of bread.
Balloon
Balloon
Balloon
Bottle
Bottle
Bottle
Fructose and
Glucose and
yeast solution
Sucrose and
yeast solution
yeast solution
B
State one hypothesis this experiment would test.
Answers
One hypothesis that this experiment would test is that fructose will cause the yeast to produce the most carbon dioxide and therefore result in the biggest loaf of bread.
One hypothesis this experiment would test is: "The type of sugar used (glucose, sucrose, or fructose) will have a significant impact on the amount of carbon dioxide produced by yeast during cellular respiration, resulting in different loaf sizes in the baking contest."
As a whole, monosaccharides produced more carbon dioxide than disaccharides, while sucrose caused the creation of carbon dioxide to occur at a higher rate than maltose. The rate of carbon dioxide production was the same for both glucose and fructose, though.
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Why do Earth-based optical telescopes work best at night, while radio telescopes work all day and all night long?
Answers
Earth-based optical telescopes work best at night because they rely on visible light from distant objects in the sky.
During the day, the bright sunlight in our atmosphere scatters and blocks much of this light, making it difficult to observe distant objects. Radio telescopes, on the other hand, work all day and all night because they detect radio waves, which are not affected by sunlight and can be observed during the day.
What is telescope?
A telescope is an optical instrument that is used to magnify distant objects, allowing astronomers to observe and study objects in the sky. Telescopes come in a variety of shapes and sizes and use either lenses or mirrors to gather light and focus it on an eyepiece, allowing a person to observe distant objects in great detail.
In conclusion, Earth-based optical telescopes work best at night because they rely on visible light from distant objects in the sky, which is blocked by the bright sunlight during the day. Radio telescopes, on the other hand, work all day and all night because they detect radio waves, which are not affected by sunlight. A telescope is an optical instrument that is used to magnify distant objects, allowing astronomers to observe and study objects in the sky.
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in which layer of a forest is most of the biomass found? why does this make sense?
Answers
Answer:
Forests account for 70 percent of terrestrial biodiversity, and most of it is found belowground. Furthermore, the majority of a forest’s carbon storage and sequestration, essential for mitigating climate change, happens belowground.
Explanation:
have a nice day.
During peristalsis
muscles contract voluntarily to move food up and down the esophagus
muscles contract involuntarily to move food in one direction
muscles contract involuntarily to move food up and down the esophagus
muscles contract voluntarily to move food in one direction
Answers
I knew this at one point but I forgot it
Scavengers and predators are both:
1. autotrophs
2. carnivores
3. primary consumers
4. all of the above
Answers
Answer:
I think it's carnivores . Hope this helps you
Which of these describes the menstrual phase of the menstrual cycle?.
Answers
The four menstural phases are;
menstruationthe follicular phase, the ovulation luteal phase. What are Menstural phases?The term Menstural phases refers to the stages that a woman has to pass through as she completes the regular monthly cycle.
There are four menstural phases which are;
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Answer:
The menstrual phase is the first stage of the menstrual cycle. It's also when you get your period. This phase starts when an egg from the previous cycle isn't fertilized. Because pregnancy hasn't taken place, levels of the hormones estrogen and progesterone drop.
Explanation:
Which does NOT define a situation as a crisis?
a.The situation creates a hardship.
b.You don't have the resources needed to deal with the situation.
c.You feel overwhelmed or helpless to handle the situation.
d.The situation is annoying because it causes you to not have something that you want.
Answers
An ESP is treating a particle-laden air stream, collecting 95 percent of the particles. We now double the air flow rate, keeping the particle loading constant. What is the new percent recovery
Answers
In an Electrostatic Precipitator (ESP), the particle collection efficiency is typically expressed as the percentage of particles removed from the air stream.
Given that the ESP initially collects 95 percent of the particles, we can determine the new percent recovery when doubling the air flow rate while keeping the particle loading constant.
When the air flow rate is doubled, the residence time of particles passing through the ESP decreases, which can potentially affect the collection efficiency. However, since we're keeping the particle loading constant, it means that the number of particles entering the ESP remains the same even with the increased air flow rate.
Under the assumption that the ESP's collection efficiency remains constant regardless of the air flow rate, the new percent recovery can still be considered as 95 percent.
It's important to note that in real-world scenarios, the collection efficiency of an ESP may vary with changes in air flow rate, particle size, particle concentration, and other factors. Therefore, for accurate predictions or evaluations, it's recommended to consult specific ESP performance data or conduct experimental testing.
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Biomechanics: Which bone is fractured most commonly, affecting all types of people, from newborns to NFL quarterbacks (most recently Nick Foles)?
Answers
The most commonly fractured bone affecting all types of people, including newborns and NFL quarterbacks like Nick Foles, is the clavicle or collarbone. The clavicle is a long, slender bone that connects the sternum (breastbone) to the scapula (shoulder blade). It plays a crucial role in supporting the shoulder and upper extremities.
The clavicle is prone to fractures due to its position and structure. It bears a significant amount of force from impacts or falls, especially in contact sports like football. A fracture can occur from a direct blow to the shoulder, a fall on an outstretched arm, or even due to an awkward landing.
When a clavicle fracture occurs, immediate symptoms include pain, swelling, and difficulty moving the affected arm. Treatment usually involves immobilization with a sling or brace, pain management, and physical therapy for a full recovery. In severe cases, surgery may be necessary to repair the fracture.
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A population of birds contains 16 animals with red tail feathers and 84
animals with blue tail feathers. Blue tail feathers are the dominant trait.
Calculate the genotype frequency.
ВВ
Вь
bb
Answers
Genotype frequency is the percentage of the population that has a certain genotype. In this case, the population of birds has two genotypes: BB (blue tail feathers) and Bb (blue tail feathers). The population has a total of 100 birds.
The population has 16 birds with the Bb genotype and 84 birds with the BB genotype. To calculate the genotype frequency, we divide the number of birds with each genotype by the total number of birds: 16/100 for the Bb genotype and 84/100 for the BB genotype.
In conclusion, the genotype frequency of this population of birds is 16% for Bb and 84% for BB. Blue tail feathers are the dominant trait, meaning that the BB genotype is the most common genotype in the population.
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Drag each tile to the correct location on the image.
Place the labels to describe the role of the lungs and blood in transporting oxygen and carbon dioxide in the body.
Blood cells transport
carbon dioxide to
the lungs.
Oxygen from the
lungs enters the
alveoli in the lungs.
Red blood cells supply
oxygen to the cells of
different organs in
the body.
Oxygen enters
the red blood cells
in the capillaries.
Red blood cells
collect the waste
carbon dioxide.
Answers
Answer:
Once the oxygen diffuses across the alveoli, it enters the bloodstream and is transported to the tissues where it is unloaded, and carbon dioxide diffuses out of the blood and into the alveoli to be expelled from the body. Although gas exchange is a continuous process, the oxygen and carbon dioxide are transported by different mechanisms.
Transport of Oxygen in the Blood
Although oxygen dissolves in blood, only a small amount of oxygen is transported this way. Only 1.5 percent of oxygen in the blood is dissolved directly into the blood itself. Most oxygen—98.5 percent—is bound to a protein called hemoglobin and carried to the tissues.
Hemoglobin
Hemoglobin, or Hb, is a protein molecule found in red blood cells (erythrocytes) made of four subunits: two alpha subunits and two beta subunits (Figure 20.19). Each subunit surrounds a central heme group that contains iron and binds one oxygen molecule, allowing each hemoglobin molecule to bind four oxygen molecules. Molecules with more oxygen bound to the heme groups are brighter red. As a result, oxygenated arterial blood where the Hb is carrying four oxygen molecules is bright red, while venous blood that is deoxygenated is darker red.
Answer is below got it right 5/5 on PLATO
What is the difference between inorganic and organic compounds? A. Organic compounds are produced naturally and inorganic compounds are human-made. B.Organic compounds are beneficial to the environment and inorganic compounds are not. C.Organic compounds contain ionic bonds and inorganic compounds contain covalent bonds. D. Organic compounds contain carbon and inorganic compounds do not.
Answers
D. Organic compounds contain carbon and inorganic compounds do not.
Organic compounds contain carbon and inorganic compounds do not. The correct option is D.
What is organic compounds?Any of a vast group of chemical compounds known as organic compounds contain one or more carbon atoms that are covalently connected to atoms of other elements, most frequently hydrogen, oxygen, or nitrogen.
Carbides, carbonates, and cyanides are among the few carbon-containing substances that aren't categorised as organic.
Covalently bound carbon and hydrogen, as well as frequently other elements, are found in organic molecules.
An inorganic compound in chemistry is often one that does not contain carbon-hydrogen bonds, i.e., one that is not an organic compound.
Inorganic chemistry is a branch of chemistry that focuses on the study of inorganic substances.
Thus, the correct option is D.
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why velocity is regarded as a vector quantity?
Answers
Answer:
Because velocity has magnitude and direction, speed is not a vector quantity since it only has magnitude
For example, if a car is moving backwards with a speed of 40m/s
Your velocity is - 40m/s
Speed is 40m/s
Select the correct answer from each drop-down menu.
The rule of law is important because it
In regard to governments the rule of
law
Blank 1
protects citizens from crime and injustice
helps reduce the number of Supreme Court cases
ensures that an innocent person is not accused of a crime
Answers
Answer:
helps reduce the number of Supreme Court cases
Explanation:
all three are true but in regards to the govenment, the second option should be selected