Homozygous being (TT): 50%
Heterozygous being (Tt): 50%
Hetero- different
Homo- the same
Genetic variation is advantageous because it enables some individuals and, therefore, a population, to survive despite a changing environment.
I'd have to say it'd be the dramatic increase in the diversity of the population gene pool.The increased diversity can lead, in time, to a dramatic increase in the number of distinct species in an environment.
Your Answer will be D. <u>Monocytes</u>
