Gametes in humans are haploid. This means that they have half the number of chromosomes as normal body cells. Sometimes, the gam
ete of a male and the gamete of a female combine to form a zygote that will eventually turn into a fetus. . . Phenotypic changes in a fetus may result . . A. if a mutation occurs in the mother's brain cells. Bubble . B.if a mutation occurs in the father's heart cells. Bubble . C. only if a mutation occurs in both the mother's and father's cells. . Bubble . D.if a mutation occurs in the gametes.
The answer is D.if a mutation occurs in the gametes.
A mutation in gamete is known as a germline mutation. It is heritable variation in the lineage
of germ cells which give rise to the gametes, so a
mutation in germ cell and gametes will be seen in an egg cell (female's gamete) or sperm cells (male's gamete) but not
in a body cell. If present in the gametes, after
fertilization, the mutation will be present in formed zygote.
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