Q. Select the incorrect statement.
A) Male fruit fly is heterogametic.
B) In male grasshoppers, 50% of sperms have no sex-chromosome.
C) In domesticated fowls sex of progeny depends on the type of sperm rather than egg.
D) Human males have one of their sex-chromosome much shorter than the other.
Explanation
[Solution] In birds (ZW system) females are heterogametic, so the egg decides the sex of the progeny. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.