Inheritance160-page12

Inheritance160-page12 - Phenotype • The observable traits...

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Inheritance Patterns - 12 Dominant Allele (loosely and incorrectly called a dominant gene) An allele that is always expressed, whether it is homozygous or heterozygous. A dominant allele masks or covers the expression of its alternative allele. Recessive Allele An allele that is masked by the presence of its alternative. A recessive allele will be expressed only when it is homozygous (when the dominant allele is absent).
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Unformatted text preview: Phenotype • The observable traits of an individual Genotype • The specific genetic makeup of an individual, or total combination of alleles present, both those expressed and those not expressed. You should also review your knowledge of homologous chromosomes and the process of meiosis, since the homologous chromosomes "carry" the alleles, or alternative forms for each gene....
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This note was uploaded on 12/29/2011 for the course BIO 151 taught by Professor Edwards during the Spring '10 term at SUNY Stony Brook.

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