PLEASE ANS THE QUE GIVEN BELOW.

Asked by  | 3rd Sep, 2009, 09:03: PM

Expert Answer:

The extra X chromosome is retained because of a nondisjunction event during meiosis division.

Answered by  | 8th Sep, 2009, 09:48: AM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.