Biology

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Natural selection acts directly on genes.

The formation of a new species.

In a population the allele for widow's peak (w) is found 37 times out of a gene pool of 114. What is the frequency of this allele?

When evolution is occuring the allele frequency will not change.

A bottleneck effect would occur as a result of which of the following?

Random change in allele frequency.

Two types of birds will no longer interbreed with each other, thus producing separate species of birds. This is an example of

Mutations are not that common.