Question

Explain with the help of an example each, male and female heterogamety mechanisms of sex determination

Answer 1

Answer:

In sexual type of reproduction gamets of male and female occur The male has XY chromosome andThe female hasXX chomosome While fertilization if X comes from father the child will be a girl if Y comes then the child is a male so father decides the gender of child

Answer 2

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Heterogamety means different sex gametes. Male heterogamety includes human males having XY sex chromosomes and males of some insects, such as grasshopper and bugs, having XO sex chromosomes. Female heterogamety includes females of some species of birds, fishes and insects.