One of the parents of a cross has a 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:

One third of the progenies

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None of the progenies

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All the progenies

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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 progenies will not be affected by the mutation.

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Similar questions

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 F2 progenies that mutation is found in

Q. The male parent of a cross has a mutation in one of the mitochondrial genes. During segregation of

F_{2}

progenies, that mutation will be found in

Q. One of the parents of a cross has mutation in its mitochondria. In that cross, the parent is taken as male. During segregation of

F_{2}

progenies that mutation is found in

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F_{2}

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A common test to find the genotype of a hybrid is by

(a)crossing one of the F₂ progeny with male parent.

(b)crossing one of the F₂ progeny with female parent

(c)studying the sexual behaviour of F₁progenies

(d)crossing of one F₁progeny with male parent

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One of the parents of a cross has a mutation in its mitochondria. In that cross, that parent is taken as a male. During segregation of F2 progenies, that mutation is found in:

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 progenies will not be affected by the mutation.

One of the parents of a cross has a 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:

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 progenies will not be affected by the mutation.