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natural selection

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12y ago

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What is a process that eliminate harmful alleles from a gene pool?

negative selection.


What is the process in which two alleles separates from a gene?

Segregation


What does not add new alleles to a population gene pool?

1.Which does not add new alleles to a population gene pool?


Different versions of the same gene are called?

Different versions of the same gene are called


Different or alternative forms of the same gene are called?

Alleles are alternate forms of the same gene. A gene is the basic physical unit of heredity that is passed on from a parent to their children.


How alleles and genes related?

Genes and alleles are related because alleles are inside a gene. Genes are made up by alleles. A gene is DNA. The allele is like piece of DNA inside a gene.


Different forms of a gene?

the alternative form of a gene is called an "allele."


What is a detrimental gene?

A deleterious mutation has a negative effect on the phenotype, and thus decreases the fitness of the organism. (A harmful mutation)


Two different forms of the same gene are called?

Alleles


Which term describes the movement of alleles into out of a population?

Gene flow


What are the alleles of a gene?

That depends on the gene: some genes have only a few alleles, some genes have hundreds or even thousands of alleles.


Difference between a gene and an allele?

The alleles are the different forms of the gene. This is simplified, but an example might be, if the gene is "eye color," the alleles would be "green, blue, brown, etc." The variations in the gene are the alleles.