Which of the following is an example of gene flow?

~ a forest fire kills 50% of red-spotted chipmunks in a forest community
~ pollen from a yellow daisy travels across a stream and pollinates an orange daisy
~ a bird with blue feathers is less camouflaged in the rainforest than a bird with green feathers
~ mice with heavy coats are able to survive the winter better than mice with thin coats

the actual answer was 160934

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.'