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BIO182 PVCC exam 1 Questions and Answers 100% Verified

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Why doesn't the most fit phenotype eliminate all other? (list 6) - ️️1)The environment is not constant 2)frequency dependent selection maintains both traits 3)Heterozygous advantage 4) the trait is selectively neutral 5)linked genes 6)equilibrium hasn't been reached List the 5 evolutiona...

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  • November 12, 2024
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  • BIO182 PVCC
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ACADEMICMATERIALS
BIO182 PVCC exam 1
Why doesn't the most fit phenotype eliminate all other? (list 6) - ✔️✔️1)The
environment is not constant
2)frequency dependent selection maintains both traits
3)Heterozygous advantage
4) the trait is selectively neutral
5)linked genes
6)equilibrium hasn't been reached

List the 5 evolutionary factors - ✔️✔️Mutation, migration, non-random mating, genetic
drift, natural selection.

Natural selection operates on what level of an indivdual? - ✔️✔️Phenotype

What is Lemarack's theory of evolution? - ✔️✔️Evolution by acquired traits

What is Polymorphism? - ✔️✔️The percentage of genes for which there is more than
one allele

What is heterozygosity? - ✔️✔️The average percentage of heterozygous individuals

Hardy- Weinberg Principle - ✔️✔️Calculates genotype frequencies


what is Darwin's theory of evolution - ✔️✔️Natural selection is the primary process for
the fact of evolution

what is mutation? - ✔️✔️A change in the cells DNA (least likely to happen)

What is migration? - ✔️✔️The movement of alleles from one population to another.

what is nonrandom mating? - ✔️✔️Mating with specific genotypes

what is genetic drift? - ✔️✔️Random fluctuation in allele frequencies over time by
chance ( important in small populations)

founder effect (genetic drift) - ✔️✔️few individuals found new population (small allelic
pool)

bottleneck effect (genetic drift) - ✔️✔️drastic reduction in population, and gene pool
size

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