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What Is Monohybrid Cross?

Bridges cross...

Question

Bridges crossed this female with a normal male and observed many Karyotypes in the offspring in Drosophila. Identify the female genotype.

A

A A A X X X

female

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B

A A X X

female

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C

A A X X X

female

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D

A A X X Y

female

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Solution

The correct option is A $A A A X X X$ female
As the female have the dominant characters in Drosophila so the genotype of the Drosophila is AAAXXX as this genotype can give rise to different karyotype in offspring when crossed with a normal male.
So the correct option is 'AAAXXX female'.

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