Bird females have chromosome arrangement as
Bird females have chromosome arrangement as
- [AIIMS 2009]
- A
$XY$
- B
$XO$
- C
$WZ$
- D
$WW$
Similar Questions
$(a)$ In humans, males are heterogametic and females are homogametic. Explain. Are there any examples where males are homogametic and females heterogametic ?
$(b)$ Also describe as to who determines the sex of an unborn child ? Mention whether temperature has a role in sex determination.
$(a)$ In humans, males are heterogametic and females are homogametic. Explain. Are there any examples where males are homogametic and females heterogametic ?
$(b)$ Also describe as to who determines the sex of an unborn child ? Mention whether temperature has a role in sex determination.
Describe haploid diploid sex determination system ?
Describe haploid diploid sex determination system ?
Delete the odd one:
Delete the odd one:
Assertion : In humans, the gamete contributed by the male determines whether the child produced will be male or female.
Reason : Sex in humans is a polygenic trait depending upon a cumulative effect of some genes on $X-$ chromosome and some on $Y-$ chromosome.
Assertion : In humans, the gamete contributed by the male determines whether the child produced will be male or female.
Reason : Sex in humans is a polygenic trait depending upon a cumulative effect of some genes on $X-$ chromosome and some on $Y-$ chromosome.
- [AIIMS 2005]
Two different types of gametes in terms of the sex chromosomes, are produced by
Two different types of gametes in terms of the sex chromosomes, are produced by