ET 3 Which of the following best defines a gene pool? A. the sum of all genetic traits in a population's individuals at a given time
B. any movement of genes from one population to another
C. any movement of organisms from one environment to another
D. the random change in the frequency of an allele in a population

identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation:

if you listed your answers right then i believe your answer is b.

your answer is going to be physical weathering