What's mitosis and meiosis?

mitosis : two daughter cells, they need the same number of chromosomes as the parent cells.

meiosis has 4 daughter cells that each have half the # of chromosomes as the parent gametes.

Explanation:

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: