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EVOLUTION AP (Hardy weinberg and allele frequenc ...
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when there is a double set of chromosomes to preserve alleles
diploidy
Competition between same sex for mates
intrasexual selection
what is hardy weinberg equation for genotypes?
p2 + 2pq + q2 = 1
Mention two ways that predators can preserve their alleles
speed, behaviors, camouflage, mimicry, defenses
When large population is drastically reduced by a disaster and then recovers changing allele frequencies
bottleneck effect
When few individuals isolated start a new population
founder effect
If carrying allele for PKU is recessive, and 1/10,000 are born with PKU in US, what is the frequency of the recessive allele?
0.01
Lose or gain alleles by movement of individuals
gene flow
Within a population of butterflies, color brown (B) is dominant to color white (b). 40% of all butterflies are white. Calculate the frequency of the recessive allele
0.63
Within a population of butterflies, color brown (B) is dominant to color white (b). 40% of all butterflies are white. Calculate the frequency of homozygous recessive
0.4
3 conditions for Hardy weinberg equilibrium to be true
no natural selection, no mutations, no gene flow, random mating, large population
when frequencies of alleles change randomly due to unpredictable chances
genetic drift
letter used in Hardy Weinberg to express the recessive allele
q
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