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

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
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).
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

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....
View Full Document

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.

Ask a homework question - tutors are online