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Home Q & A Board Biology-Related Homework Help General Biology
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sunshine938 sunshine938
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6 years ago
X inactivation occurs
  a. at birth.
  b. at the beginning of the second trimester.
  c. after the first cleavages of the zygote.
  d. at the moment of conception.
  e. randomly depending on the individual.

Question 2

In human females, one of the sex chromosomes is switched off during early development in a
  phenomenon called
  a. karyotyping.
  b. X inactivation.
  c. X linkage.
  d. crossing over.
  e. SRY activation.
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aznrusheraznrusher
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6 years ago
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sunshine938 Author
wrote...
#2
6 years ago
Ready for finals now Monkey
wrote...
#3
6 years ago
Good luck my friend!
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