Astorm washed five female and five male tiger beetles from the mainland to a small island that had no previous population of tiger beetles. in tiger beetles, having six spots (a) is dominant to having four spots (a). all ten beetles had six spots, but one male and one female were heterozygous for the four-spot trait. if six of the beetles died without reproducing, the ratio of the genotypes could be quite different in subsequent generations. this is an example of: .

founder effect, a form of genetic drift.

Explanation:

Founder effect occurs when a small

group of population is isolated from the original population in such a way that there is no longer breeding that occurs between the small isolated population and the original population.

This new group of small population that is now located in another area will lose the genetical traits that were common in the original group due to the absence of breeding with the original group. A particular genetical traits is only passed to a new generation only if it is present in the parents who are mating to produce the infant, it may die out if those individuals die or if those who are in a small group no longer possess the same original traits. The new population will genetically resemble the founders of the group in a new established small community or population.

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