Q72
Cytoplasmic sterility is governed by
A.
Cytoplasm and genetic genes
B.
Plasma genes
AnswerC.
Nuclear genes
D.
None of the above
Answer: Option B
Solution
Answer: Option B
Solution:
Cytoplasmic sterility is governed by Plasma genes.Cytoplasmic male sterility is under extranuclear genetic control. It shows non-Mendelian inheritance, with male sterility inherited maternally.
In general, there are two types of cytoplasm: N (normal) and aberrant S (sterile) cytoplasms.
And plasma genes are a self-replicating extranuclear determiner of hereditary characteristics.