In a population of rabbits, those able to outrun predators will survive to reproduce, eventually leading to a population of faster rabbits. this is an example of selection. a.disruptiveb. stabilizingc. directionald. mutationale. restricted

c. Directional

Explanation:

Directional selection is a type of natural selection in population genetics that occurs when a particular extreme phenotype (i.e. faster rabbits) are favored over other phenotypes (all the other rabbits that are not faster) when exposed to factors that threaten their survival, such as predation. In the long run, the allele frequency of the population of the rabbits shifts towards the direction of the phenotype of faster rabbits. Meaning, faster rabbits would dominate the population that would exist in such environment overtime, due to their ability to outrun predators, and would survive to produce more offspring that are faster.

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during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.