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There r 23 pairs of chromosomes in human body . out of 23 ,22 r autosomes and 1 pair is allosomes or sex chromosomes .this determine the sex of offspring .

father has  X-female indicator and Y-male indiacator 
mother has both X and X sex chromosomes 

by this we conclude that father decide the sex of offspring

1 4 1
where is a schematic diagram?
can u give ?
The schematic representation
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