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Alchen [17]
3 years ago
11

When male lions reach sexual maturity, they are thrown out of their group, or pride, and must live on their own or with other ma

les until they can take over their own pride. This can alter the allele frequencies of the population through which of the following mechanisms?
a. natural selection
b. gene flow
c. random mating
d. genetic drift
Biology
1 answer:
viva [34]3 years ago
6 0

Answer:

b. Gene flow

Explanation:

Gene flow also know as gene migration is the migration or movement of genetic material from one population to another. When a particular gene is introduced from one population to another it causes a genetic variation in the receiving population, hence altering the allele frequencies of the population.

In other words, when the allele frequency between the resident population and migrating population is greater and the migrating population is larger in number than the resident population, the effect on the composition of gene pool of the receiving population will be greater.

Take for instance, the lion that is thrown out of its group would migrate to another group, reproduce and produce cubs with a portion of their own genetic material.

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Distinguish between directional, stabilizing, and disruptive selection. Give examples.
pashok25 [27]
Directional selection is a type of natural selection that favors one extreme phenotype over the mean or another extreme. Examples of directional selection include giraffes that have long necks and the darkening of London's peppered moths after the Industrial Revolution.

Stabilizing selection, also known as purifying selection, is a type of natural selection in which genetic diversity decreases as the population stabilizes on a particular trait value. An example of stabilizing selection is birth weigh in humans.

Disruptive selection is a type of natural selection that shows a preference toward the reproduction of genetic material at the extremes within a population.One of the most studied examples of disruptive selection is the case of ​London's peppered moths.
From Wikipedia
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