Q. One of the parents of a cross has mutation in its mitochondria. In that cross, that parent is taken as a male. During segregation of $F_{2}$-progenies that mutation is found in
A) One –third of the progenies
B) None of the progenies
C) All of the progenies
D) Fifty per cent of the progenies
Explanation
It is the female reproductive cell, which usually carries more cytoplasm and cytoplasmic organelles than the male cell and hence, naturally would be expected to influence Non-Mendelian traits. Since in the present case, the male parent (not female) had mutation in mitochondria, there are negligible chances of the mutation being inherited.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.