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Genes & Variation 1

Flash cards 16-1

QuestionAnswer
What is a gene pool? A gene pool consists of all genes, including all the different alleles, that are present in a population
How would you calculate relative frequency? Relative frequency is often expressed as a percentage. It is the number of times other alleles for the same gene occur.
What is evolution in terms of genetics? Evolution is any change in the relative frequency of alleles in a population
What are the possible results of a mutation? Some mutations can affect an organism's fitness, or its ability to survive and reproduce in its environment.
Why is gene shuffling discussed in text concerned with variation? Because mutation is not the only source of heritable variation and this is a way to cause it.
What is a single gene trait? A trait that is controlled by a single gene which has two alleles.
How is a polygenic trait different than a single gene trait? A polygenic trait has two or more genes while a single gene trait has one gene.
Created by: ayana_dennis
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