populations Flashcards

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1
Q

define species

A

a group of organisms that can interbreed to produce fertile offspring

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2
Q

define population

A

all the organisms of a particular species that live in the same place

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3
Q

define gene pool

A

the range of alleles existing for a particular gene locus within a population

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4
Q

define allele frequency

A

proportion of a certain allele within a gene pool, expressed as a percentage.

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5
Q

what is the Hardy-Weinberg principle

A

allows us to estimate the frequency of alleles in populations, as well as if allele frequency is changing over time

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6
Q

Give the assumptions made by the Hardy-Weinberg principle

A

-no mutations
-no migration in or out of population
-no selection
-random mating
-large population

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7
Q

define community

A

all the species that live in one area and interact with one another and their environment

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