336 Flashcards

(17 cards)

1
Q

p

A

Frequency of dominant or normal allele (A)

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2
Q

q

A

Frequency of recessive or mutant allele (a)

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3
Q

p^2, 2pq, q^2

A

Frequency of AA, Aa and aa

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4
Q

W

A

Fitness of a genotype

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5
Q

s

A

Selection coefficient

How much less fit a genotype is compared to the best one.

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6
Q

h

A

Dominance coefficient

h=0 allele a is completely recessive
h=1 allele a is completely dominant

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7
Q

μ

A

mutation rate from A to a per generation

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7
Q

nu (v)

A

back-mutation rate a to A

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8
Q

Mutation-selection balance formulas
For haploid or dominant alleles:
For recessive allele:
General diploid case:

A

q = μ/s

q= sqrt(μ/s)

q= μ/hs (if h>0)

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9
Q

H[t]

A

Expected heterozygosity (two different alleles) at generation “t”

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10
Q

p-hat

q-hat

A

Equilibrium frequencies

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11
Q

Phylogenetic species concept

A

A species is the smallest group of organisms that share a common ancestor and can be distinguished from other groups by unique traits.

Defines species by their evolutionary history and unique traits.

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12
Q

General Lineage species concept

A

Species are evolving populations that became distinct over time.

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13
Q

Biological Species Concept

A

A species is a group of organisms that can interbreed with each other, producing fertile offspring.

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14
Q

Uniformitarianism

A

Charles Lyell

If a process was working in the past it will still be working.

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15
Q

How did Darwin view species?

A

Arbitrary groups of individuals that looked alike.