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Unformatted text preview: A gene is the functional unit of heredity. The dominant gene, if present in the DNA, will always show its phenotype. The recessive genes phenotype will only be present if there is no dominant gene of the same trait. We can determine what traits the flies' offspring will have by diagraming on a punnett square. They look kinda like this. (Schau, 2007) AA is a example of a Homozygous Dominant because it has two of the same letters and they are both capitals. Aa is an example of a Heterozygous gene because it has alternating alleles. An allele is an alternating form of the same gene. aa is an example of a Homozyg-AA Aa Aa aa Example Punnett Square ous Recessive gene because it has two of the same letters and both are lower case. (Schau, 2007)...
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- Spring '08
- cell biology