In man, the composition of female destined zygote is
$22 + X$
$44 + XX$
$22 + Y$
$44 + XY$
It's Obvious
Describe the process of sex determination in humans.
$A$ : $XO$ type sex determination is found in large number of insects. $R$ : Some of the sperms bear the $X-$chromosome whereas some do not
A family has five girls and no son. Probability of son as the $6^{th}$ child will be
Heterogametic male condition does not occur in
Which one of the following conditions correctly describes the manner of determining the sex?
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