Aman has blood type ab. if a child has blood type b, what is the genotype and blood type of the mother? is there only one possible blood type for the mother or several?
you need to answer the question by constructing punnett square(s) and determine the resulting phenotypic percentages.

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.