What evolutionary process keeps populations genetically linked together? What do

Question

What evolutionary process keeps populations genetically linked together? What do we call the combined set of alleles in a population? (1) 1. sexual selection typically leads to distinct differences between the genders of a species, which is known as(1) 3. What is likely to happen to alleles after a bottleneck event? (1) 16 individuals in a population of 100 are homozygous recessive for a particular trait (A or a). What percent of the alleles in that population are dominant? (1) 4. 5. What does it mean if a population is in Hardy-Weinberg equilibrium? Be specific. (1)

Explanation / Answer

1. Gene flow from one population to other keeps population genetically together.

Combined set of alleles in a population known as gene pool.

2. Inter sexual selection typically leads to distinct differences between the genders of a species which is known as sexual dimorphism .

3. Bottlneck event can cause genetic drift. Which results in change of distribution of alleles by fixation or loss of alleles. Frequency of the fitter alleles increases and overall genepool reduces.

4.

5. If a population is in hardy weinberg equilibrium it means that the gene frequencies of the population remain constant from one generation to next which happens beacuse of random mating, lack of mutations and large population.

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