In a dihybid cross for round and yellow seeds (rryyxrryy) what is the probability of having green and wrinkled seeds

Which of the following conclusions can be drawn

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

Natural selection changes allele frequencies because some survive and reproduce more successfully than others.