In Klinefelter syndrome males have chromosomes XXY. This is an example of:

A.) Non-disjunction of sex chromosomes

B.) Crossing over

C.) Chromosomal rearrangement

Question

In Klinefelter syndrome males have chromosomes XXY. This is an example of:

A.) Non-disjunction of sex chromosomes

B.) Crossing over

C.) Chromosomal rearrangement

anonymous · Answer

Welcome to OpenStudy @Nyantina !

anonymous · Answer

@wolfe8

wolfe8 · Answer

Ehhhhh, a guess will be C

wolfe8 · Answer

Tbh Idk what A is

anonymous · Answer

Hmm, it seem like you have an extra X chromosome.

anonymous · Answer

Check this link out for additional help. http://www.medicinenet.com/klinefelter_syndrome/article.htm

aaronq · Answer

it's A, during meiosis separation of the X's (in females) or the XY's (in males) didn't occur.

wolfe8 · Answer

And THAT is why people shouldn't tag me in bio lol. I only know a bit from high school.

aaronq · Answer

lol what program are you in?

wolfe8 · Answer

Physics major, philosophy minor @.@

aaronq · Answer

oh nice !

anonymous · Answer

It is nondisjunction which means that chromosomes during meiosis failed to separate and a male received two XX chromosomes as well as the Y.