BIO182 PVCC exam 1 Questions and Answers 100% Verified
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Course
BIO182 PVCC
Institution
BIO182 PVCC
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...
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
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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