4.2 Flashcards

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1
Q

what is evolution?

A

a change in allele frequency in a population over time

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2
Q

what is a gene pool?

A

all the alleles of all the genes in a population

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3
Q

in the Hardy-Weinberg equation, what does p stand for?

A

the dominant allele

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4
Q

in the Hardy-Weinberg equation, what does q stand for?

A

recessive allele

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5
Q

in the Hardy-Weinberg equation, what does p^2 stand for?

A

homozygous dominant

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6
Q

in the Hardy-Weinberg equation, what does q^2 stand for?

A

homozygous recessive

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7
Q

in the Hardy-Weinberg equation, what does 2pq stand for?

A

heterozygous

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8
Q

give the two equations related to Hardy-Weinberg

A

p + q = 1
p^2 + 2pq + q^2 = 1

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9
Q

what is needed for a new species to arise?

A

reproductive isolation

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10
Q

what is speciation?

A

the formation of a new species

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