Which of the following is not true of X-inactivation?
A) It is necessary for dosage compensation.
B) It is the cause of calico color in cats.
C) The mechanism includes transcription of the XIST gene and chromatin remodeling.
D) The XIST RNA is non-coding.
E) The master regulatory gene for X-inactivation is sxl or sex-lethal.
Correct Answer:
Verified
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Q16: The central function of X-inactivation is
A)silencing imprinted
Q17: _ cells may differentiate into any cell
Q18: Homeobox genes
A)encode proteins with a conserved sequence
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Q21: Determination occurs via induction.
Q22: Antibodies elicit the production of antigens.
Q23: The developmental trajectory of the cells of
Q24: A maternal effect mutation bicoid (bcd)is recessive.The
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