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Author Question: _________ of the genes found on the X chromosome are duplicated on the Y chromosome. a. All b. ... (Read 106 times)

jenna1

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on: Jun 21, 2018
_________ of the genes found on the X chromosome are duplicated on the Y chromosome.
 
  a. All
 b. None
 c. Most
 d. Some

Question 2

You were recently introduced to your roommate's sibling. To your surprise, even though the siblings are the same sex, they look nothing alike. Which of the following is the best explanation of this situation?
 
  a. They must have different parents, as genetic inheritance ensures that they share a significant number of genes.
  b. Although they started out very similar genetically, their genotypes have changed during development to make them look very different.
  c. Given the number of different combinations of genes possible during reproduction, it may be that the two siblings don't really share many gene alleles.
  d. One has expressed only recessive genes, while the other has not.


Expo

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Reply #1 on: Jun 21, 2018
Answer to Question 1

d

Answer to Question 2

c


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