1) Suppose the full reproductive isolation between two populations have evolved.

Question

1) Suppose the full reproductive isolation between two populations have evolved. Can speciation in this cae be reversed, so that two forms merge into a single species? Under what conditions is this probable or improbable?

2) Plants are to undergo self-fertilization are self compatible. In a population of self compatible, a fraction will undergo self fertilization, so the inbreeding coefficient is F=0.64. In a sample of 35 plants from a population of plants, 2 alleles A and a were observed. The sample included 17AA. 5Aa, and 12aa. Are these numbers consistent with the estimated F=0.64?

Explanation / Answer

1.For two forms to merge and form a single species after reproductive isolation is hypothetically possible. And highly improbable.

2. Yes the numbers are consistent with the estimate.

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