4. An hypothesis for the
extinction of the dinosaurs is
that the earth had been hit by
a gigantic meteor that caused
the death of those big reptiles.
In that case the entire genetic
pool of those animals has
been destroyed, invalidating
the Hardy-Weinberg
equilibrium. In Genetics what
is this type of gene frequency
change called?

Gap-fill exercise

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The phenomenon in which large
number of genes destroyed or
introduced in population is called
genetic .

When a genetic drift the Hardy
Weinberg principle not applicable.