Q. Which of the following chromosomal formulation is responsible for the expression of meta-male character in $Drosophila?$
A) 2A+3X
B) 3A+3X
C) 4A+3X
D) 3A+XY
Explanation
On mating female $Drosophila$ to diploid males, their progeny consist of following types : AAAXXX $-$ Triploid female AAXX $-$ Diploid female AXXY $-$ Diploid female AAAXX $-$ Intersex AAAXXY $-$ Intersex AAXY $-$ Normal male AAXXX $-$ Superfemale AAAXY $-$ Super male or metamale.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.