The answer is 14 since there is 28 in the zygote.
Living systems are open self-organizing life forms that interact with their environment. These systems are maintained by flows of information, energy and matter. Some scientists have proposed in the last few decades that a general living systems theory is required to explain the nature of life.
Genetic drift does NOT create greater diversity within a population. Its effect is the opposite of it. Because of the infrequency of an allele, the allele may be lost in the population or only appear rarely in a specific locus in a population. This will then result in a loss of variance to the population.
The answer then will be letter A.
C
Because your DNA is made of nitrogen bases
Adenine
Guanine
Cytosine
Thymine