The male parent of a cross has a mutation in one of the mitochondrial genes. During segregation of F2 progenies, that mutation will be found in
A
one third of the progenies
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B
none of the progenies
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C
all the progenies
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D
fifty percent of the progenies
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Solution
The correct option is B none of the progenies Mutation is in the male parent. Mitochondria of sperms are left behind during fertilization and hence the mitochondria of the progeny is completely of maternal origin (from the mother). So, none of the progeny will inherit the mutation.