Question

What is male and female Heterogamety?

Answer 1

Heterogamy:

1. Heterogamety means different sex gametes.
2. Male heterogamety:It means human males have XY sex chromosomes and males of some insects like grasshopper, bugs have XO sex chromosomes.
3. Female heterogamety:

• It includes females of some species of birds, fishes and, insects.
• Females of butterfly and moth having ZO - ZZ sex chromosomes, while females of fishes, reptiles and birds have ZW sex chromosomes.