Evolutionary Biology at The Biology Project

Genetic Drift Simulation

From DNA to phenotype

DNA sequence, genotype, & phenotype

In the example to the right, these driftworms have a single gene, the Color gene. The DNA sequence for this gene is 9 base pairs long.

There are five phenotypes for this gene -- pink, blue, navy, green and yellow. Each phenotype has a different genotype. The genotypes are different from one another because their DNA sequences are different. These different genotypes are referred to as alleles.


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February 24, 1999
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