Answer:
Ss
Explanation:
If you cross SS x ss all pea plants from the next gen will have Ss and because S is dominant to s all of them will have smooth pods.
There are a lot of factors that can increase serotonin in the brain. For example increasing exercise, sunlight or vitamin B6 could all create a natural increase of serotonin. serotonin is also greatly affected by stress levels so one could say that increased relaxation would increase serotonin.
The answer is C. large changes in allele frequencies can occur in a short time.
Genetic drift is a change in the frequency of alleles in a population as a result of random sampling of organisms and it decreases genetic variation of the population. In specific circumstances, large and rapid changes in allele frequencies can occur in a short time. The smaller the population, the more susceptible it is to genetic drift.
