In man, the composition of female destined zygote is
$22 + X$
$44 + XX$
$22 + Y$
$44 + XY$
It's Obvious
$X$ -chromosome or $X$ – body was first observed by………….
Determination of sex of a child depends upon
Genetic identity of a human male is determined by
Bird females have chromosome arrangement as
Heterogametic male condition does not occur in
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