During development, an XX female embryo will form one of the X chromosomes in each cell into a Barr body.This usually occurs
A) about two weeks after zygote formation.
B) by the end of the first trimester.
C) at the 16-cell stage.
D) in the X that is the most recessive.
Correct Answer:
Verified
Q31: During mitosis, kinetochores develop during
A)telophase.
B)anaphase.
C)metaphase.
D)prophase.
Q33: From DNA research, sites of transcription and
Q34: When constructing a YAC, why must a
Q35: A yeast artificial chromosome (YAC) usually consists
Q36: Which of the following is a predicted
Q39: In yeast chromosomes, centromeres
A)help distinguish one chromosome
Q40: When a chromosomal rearrangement such as an
Q41: What is the best definition for the
Q42: What is true about new nucleosome formation
Q43: What is the structure of telomeres?
A)Short, repetetive
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