AjaLye470 AjaLye470

26-03-2015
Biology

Answered

Directional selection acts against:

both extremes simultaneously in the variation of the trait

one of the extremes in variation

the average or mean value for the population

none of these

Answer :

HistoryGuy HistoryGuy

28-03-2015

Directional selection acts against both extremes simultaneously in the variation of the trait. This is the most "aggressive" form of selection and only happens in extreme areas.

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