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Why do males have XY type of chromosome do they have something which is present in female is it so or why???

Why do males have XY type of chromosome do they have something which is present in female is it so or why???

Grade:12th pass

1 Answers

Umakant biswal
5359 Points
5 years ago
@ niomi
what u need to understand is that we have 23 pairs of chromosome and from that 22 pairs are autosome and its configuration are same in males and females . 
but the rest 1 pair are there which is diffrent . in males that is XY and in females that is XX ., 
Y chromosomes are the chromosomes which depict the maleness factor.. 
thatswhat the reason the males have XY chromosome instead of XX . 
The process of biological sex differentiation (development of a given sex) involves many genetically regulated, hierarchical developmental steps. More than 95% of the Y chromosome is male-specific and a single copy of the Y chromosome is able to induce testicular differentiation of the embryonic gonad.
THERE ARE ALSO SOME HERMONAL RELATION THAT IS THE TESTEROSTERONE AND ANDROGEN HERMONES ARE SOME WHAT RELATED TO Y CHROMOSOME ONLY , AND WITH X CHROMOSOME THEY WILL NOT SECRETE . 
HOPE IT CLEARS YOUR DOUBT 
ALL THE BEST ..

 

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