Asperm cell is produced by spermatogenesis. in order for the sperm cell to achieve a diploid state, what must occur? a) the sperm cell must undergo meiosis. b) the sperm cell must undergo mitosis. c) the sperm cell must fertilize an egg. d) the sperm cell must divide by cleavage.

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: