17.1 - 17.2 Flashcards

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1
Q

Gene pool

A

Consists of all the genes including all the different alleles for each gene

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2
Q

Allele frequency

A

Number of times allele shows up in a gene pool

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3
Q

Single gene trait

A

Presence or absence of dark bands

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4
Q

Polygenic traits

A

2 or more genes controlling

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5
Q

Directional selection

A

Individuals at end of curve have higher fitness than in middle or other end

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6
Q

Stabilizing selection

A

Center curve higher fitness than other sides

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7
Q

Disruptive selection

A

Outer fitness higher fitness than ends

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8
Q

Genetic drift

A

Random change in allele frequency

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9
Q

Bottleneck effect

A

Change in all frequency following a dramatic reduction in size of pop

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10
Q

Founder effect

A

Allele frequency changes based on migration of small subgroup

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11
Q

Genetic equilibrium

A

Allele frequency doesn’t change

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12
Q

Hardy-Weinberg principle

A

Allele frequencies remain constant unless factors make it change

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13
Q

Sexual selection

A

Genes for traits selected aren’t equilibrium

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