Question

zz and zo chromosomes are present in __________​

Answer 1

Answer:

The sex chromosomes in Lepidoptera are designated W and Z. W chromosome is usually associated with the development of female characteristics. When the W chromosome is absent, ZZ develops into males and ZO develop into females.

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Answer 2

Answer:

In moths (eg: Fumea), Butterflies.

This is called famale heterogamety where female produce dissimilar gametes and males produce similar type of gametes.

Karyotype of female is AAZO.

Karyotype of male is AAZZ.

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