Why is 2 the correct answer to number 22 ? explain why and answer this

Meiosis is performed in order to produce four gametes (sex cells). (1) is not correct because the eggs and sperm are NOT exactly the same. (3) is also not correct because I believe meiosis only produces 1 active egg cell and 4 active sperm cells. (4) is not correct. Thus, option (2) is correct because it is both true and valid. Since the cells that are produced are not identical, meiosis provides for genetic variation in the gametes produced by an organism. That reasoning also reasons out option (4).

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).

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