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Q.
Genes for cytoplasmic male sterility in plants are generally located in
AIPMTAIPMT 2005Molecular Basis of Inheritance
Solution:
In several crops like maize cytoplasmic control of male sterility is known. In such cases if female parent is male sterile F, progeny would also be male sterile because cytoplasm is mainly derived from egg obtained from male sterile female parent. Many experiments have proved that factors responsible for cytoplasmic male sterility are located in mitochondrial DNA. A particular phenotype arises because of dominant mutations in the mitochondrial genome.