Give differences : Male heterogamety and Female heterogamety
Male heterogamety | Female heterogamety |
$(1)$ Male produces two types of gametes. | $(1)$ Female produces two types of gametes |
$(2)$ e.g. Human male produces gametes of $\mathrm{X}$ and $Y$-types. | $(2)$ e.g. Female birds produces gametes of $Z$ and $\mathrm{W}$ types. |
Two different types of gametes in terms of the sex chromosomes, are produced by
Select the incorrect pair
Match following pair.
How is sex determined in human beings?
Select the incorrect statement