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Q. 74.8( 5 Votes )

Z Z / ZW type of sex determination is seen in:
A. Platypus

B. Snails

C. Cockroach

D. Peacock

Class 12th Biology - Exemplar 5. Principle of Inheritance and Variation

Answer :

ZZ/ZW type of sex determination is seen in peacock.

Birds have a different sex determining mechanism where two different types of gametes in terms of sex chromosomes are produced by females: female heterogamety. Thus female birds have one Z and one W chromosome whereas males have a pair of Z chromosomes besides autosomes.

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PREVIOUSPerson having genotype IA IB would show the blood group as AB. This is because of:NEXTA cross between two tall plants resulted in offspring having few dwarf plants. What would be the genotypes of both the parents?

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