Question

Select the incorrect statement.

Options

• 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

• Human males have one of their sexchromosome much shorter than the other.

Answer 1

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

Explanation:

In birds, including domesticated fowls, females are heterogametic, so the type of egg determines the offspring’s sex. The other statements correctly describe the systems in fruit flies, grasshoppers and humans.