Multiple Choice
What is the result of the activation of the XIST gene in mammals?
A) the inactivation of one of the X chromosomes,which then becomes a Barr body in females
B) activation of the SRY gene that results in the development of male sexual characteristics
C) the activation of genes on both X chromosomes in females
D) the expression of sex-linked traits in males
Correct Answer:

Verified
Correct Answer:
Verified
Q16: One map unit is equivalent to which
Q17: What is the reason that closely linked
Q18: Red-green color blindness is a sex-linked recessive
Q19: The figure below shows a map of
Q20: Of the following human aneuploidies,which is the
Q22: A woman is found to have 47
Q23: How does the recombination of linked genes
Q24: A plantlike organism on the planet Pandora
Q25: Which of the following events causes recombination
Q26: A couple has a child with Down