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In which of the following organisms, the male heterogametic condition is not observed?

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in Biology – Class 12 by (271k points)
In which of the following organisms, the male heterogametic condition is not observed?

(a) Grasshoppers

(b) Humans

(c) Drosophila

(d) Birds

I have been asked this question during an online interview.

My doubt is from Inheritance and Variation Principles in chapter Principles of Inheritance and Variation of Biology – Class 12

1 Answer

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Best answer
Right option is (d) Birds

Best explanation: Birds do not show male heterogametic conditions. Instead, they show the female heterogametic condition. Male heterogametic condition is characterised by male individuals producing two different types of gametes.

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