Can anyone help me with this test pleasee I’ll give them up to 51 points

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

What enzyme is most important for dna replication and why?