In human zygote,male sex is determined by :

In human zygote male sex is dtermined by

In human zygote male sex is dtermined by

Assertion In human, female sex is determined by XX chromosome Reason Male sex is determined by XY-chromosome

In humans ,sex is determined by

Male sex is determined in human zygote by

Sex of a human child is determined by

(a) In humans, males are heterogametic and females are homogametic, Explain. Are there any examples where males are homogametric and females are heterogametic ? (b) Also describe as to, who determines the sex of an unborn child ? Mension whether temperature has a role in sex determination.