Principle of Inheritance and VariationHard
Question
After crossing two plants, the progenies are found to be male sterile. This phenomenon is found to be maternally inherited and is due to some genes which are present in
Options
A.nucleus
B.chloroplast
C.mitochondria
D.cytoplasm
Solution
Mitochondria are found only in eukaryotic cells. They contain a single circular circular double stranded DNA molecule (mtDNA). Available evidences show that mitochondria of female parent are transferred to progeny during fertilization.Recent studies shown that factors respon sible for cytoplasmic male sterility are located in mitochondrial DNA.
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