Bird females have chromosome arrangement as

  • [AIIMS 2009]
  • A

    $XY$

  • B

    $XO$

  • C

    $WZ$

  • D

    $WW$

Similar Questions

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 2017]

Select the incorrect pair

Definitions / Explanation : Sex determination
 

Match the items of column $I$ with column $II$

Column $I$ Column $II$
$(a)\; XX-XO$ method of sex determination  $(i)$ Turner's syndrome
$(b)\; XX-XY$ method of sex determination  $(ii)$ Female heterogametic
$(c)$ Karyotype$-45 $ $(iii)$ Grasshopper
$(d)\; ZW-ZZ$ method of sex determination  $(iv)$ Female homogametic

Select the correct option from the following

  • [NEET 2019]

Heterogametic male condition does not occur in