Processes of Evolution Flashcards

Populations + Variation

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1
Q

What is Evolution?

A

Evolution is a change in allele frequency → therefore heritable characteristics of populations over successive generations

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2
Q

What is a population?

A

A group of organisms of the same species living in a given area at a given time

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3
Q

What is a gene pool?

A

Gene pool is the sum total of genes (their alleles) present in a population

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4
Q

Describe Allele freqeuncy

A

allele frequency is the proportion of each allele for a gene within a gene pool

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5
Q

What is gene flow?

A

When individuals leave or come into a population → contributing or removing alleles

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6
Q

what is immigration?

A

new individuals introduced into a population → new alleles introduced

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7
Q

what is emigration?

A

individuals leaving a population → loss of certain alleles

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8
Q

what is a mutation?

A

A mutation is a permanent change in the base pair sequence of DNA → can lead to the formation of new allele

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