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Human males have one of their sex-chromosome much shorter than other.

Male fruit fly is heterogametic.

In male grasshoppers, 50% of sperms have no sex chromosome.

In domesticated fowls, sex of progeny depends on the type of sperm rather than egg.

answer is D.

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Detailed Solution

In domesticated fowls, the female (ZW) is heterogametic and produces two types of ova while the male (ZZ) is homogametic and produces only one type of sperms. The sex of the progeny depends on the type of egg rather than sperm.

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