In which body or cell area are most genes in humans located?

What would be an example of hypothesis for goldfish respiration lab

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

What makes a dominant allele different from a recessive allele