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Natural selection
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Total cards: 5•Content version: v3•Public deck•Updated: 8/1/2026
Card preview (5)
#1
Front (Question)
what is evolution
Back (Answer)
the permanent change in the frequency of alleles in a population due to natural selection
#2
Front (Question)
how does evolution occur
Back (Answer)
mutations cause new alleles to arise because of small changes in the DNA sequence which are then passed onto offspring
#3
Front (Question)
what is the gene pool
Back (Answer)
all the different types of genes in the entire population of a species
#4
Front (Question)
how are mutations and natural selection related
Back (Answer)
a mutation may give an individual an advantage, meaning it can better survive, have a greater chance of mating and then passing the ggenetic advantage onto offspring
#5
Front (Question)
what is allele freauency
Back (Answer)
how common an allele is within a population, allele frequency is affected by environmental conditions