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Question
A liver cell from a human male has:
A) 22 pairs of autosomes, an X chromosome, and a Y chromosome.
B) 22 pairs of autosomes and two X chromosomes.
C) 46 pairs of autosomes, an X chromosome, and a Y chromosome.
D) 23 pairs of autosomes and two X chromosomes.
Answer
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Related questions
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Which of the following statements concerning sperm and fertilization is correct?
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A man has been experiencing reduced urine flow problems. After examination by his doctor, the diagnosis is an enlarged prostate gland. What is the connection between prostate enlargement and reduced urine flow?
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Which structure would be best described as helping to prepare the female tract for pregnancy and maintain it during the early phases of pregnancy?
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On average, about how often does ovulation occur?
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Through what structure does an oocyte travel on its way to the uterus?
A) uterine tube
B) cervix
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If you could stop diffusion of substances in fruit fly zygotes, could you stop normal development? Why or why not?
Q:
Programmed cell death is also known as ________.
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You are a substitute teacher in a high school biology lab class on the day the students are dissecting frogs. A particularly bright student happens to notice that the left adrenal gland is malformed in her frog. She asks if a problem in embryonic development could have caused that. Although there may be more than one reason, what might you propose as an explanation based on embryonic development?
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A) sonic hedgehog
B) sonic chicken
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Q:
Which of the following is a process by which an initial set of genes turns on a second set of regulatory genes, which eventually turns on a third set of genes?
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Of the choices listed, the first event that occurs during embryonic development is:
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The phase during which embryonic cells arrange themselves into three layers is called:
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C) organogenesis.
D) fertilization.
E) induction.