Inherit an X and Y from your parents and you turn out male : 8)
get a pair of Xs and the result is female.
but wats causing the infertility in the fus' place ::confused::
Mapster ,
The two necessary genes are Sry :
which kick-starts the process of producing a male as an embryo develops
Eif2s3y, which is involved in the first steps of sperm production. !!
[quote author=mapoui link=topic=85434.msg533849#msg533849 date=1385163535]
las' report I hear of say 34% of Tity males infertile.
Titty males eating roti since 1839..ah hundred and 74 years... and only now it causing sterility ::confused::
[/quote]
hhhhmmmmmm..... :-[
Evolution is a B!tch .....Research has suggested the Y sex chromosome, which only men carry !
is decaying genetically so fast :
that it will be extinct soon time. ::LOL::