Which enzyme works best in almost netural conditions

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

How many copies of genes do gametes have?