Understanding Genetic Drift and Its Effects

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12 Terms

1

Genetic Drift

Random change in gene variant frequency.

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2

Population Subdivision

Distinct genetic structures based on landscapes.

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3

Gene Flow

Movement of genes between populations.

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4

Small Populations

Experience stronger genetic drift effects.

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5

Fixed Allele

Trait present in all individuals of a population.

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6

Lost Allele

Trait absent in all individuals of a population.

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7

Inbreeding

Mating among closely related individuals.

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8

Bottleneck Effect

Population reduction leading to allele loss.

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9

Nonrepresentative Alleles

Alleles not accurately reflecting original population.

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10

Rare Alleles

Less common gene variants more likely to disappear.

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11

Founder Effect

New population starts from a small group.

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12

Colonization

Establishment of a population in a new area.

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