Which of the following examples best represents the mechanism of evolution known as genetic drift?

a. a farmer consistently chooses the tastiest watermelons to keep seeds from and plant for the next crop.

b. a volcano erupts and lava pours over a population of flowering plants eliminating a large portion of the flowers on the north side of the island while leaving the population of the south side of the island intact.

c. an individual goat migrates across a mountain range to a new population of goats where it breeds and produces offspring.

d. a mutation results in a population of trees that spread their seeds more widely than their peers, causing their population to grow.

d. A mutation results in a population of trees that spread their seeds more widely than their peers, causing their population to grow.

ans.

dna fingerprinting is defined as a process that determines the dna characteristics of an individual. these dna characteristics are unique among individuals as their fingerprints, so it is known as dna fingerprinting.

steps of dna fingerprinting includes extraction of dna from sample, amplification of dna, restriction digestion of amplified dna, and then analysis of dna by gel electrophoresis, respectively.

thus, the next step performed by the scientist is 'to cut the amplified dna (obtained by polymerase chain reaction) by restriction enzymes that cleave the dna into fragments and their analysis.'

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