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

@shrutipande9

anonymous · Answer

@GabbyCakes can you answer this /.\

anonymous · Answer

Haha, this iss.....
Okay so the answer is A :3 
I'm certain of it :)

anonymous · Answer

hehe thank youuuu ^.^

shrutipande9 · Answer

@GabbyCakes always give an explanation to ur ans...
in this type of syndrome...when the female egg undergoes meiosis the 2 copies of X chromosome cannot separate and thus both the X chromosomes reach the zygote after fertilization. this is called non-disjunction