Glossary - Observable Patterns of Inheritance

Glossary - Observable Patterns of Inheritance - Glossary...

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Glossary Observable Patterns of Inheritance Punnett-square method Construction of a simple diagram as a way to predict probable outcomes of a genetic cross. allele One of two or more molecular forms of a gene that arise by mutation and code for different versions of the same trait. codominance In heterozygotes, simultaneous expression of a pair of nonidentical alleles that specify different phenotypes. continuous variation Of a population, a more or less continuous range of small differences in a given trait among its individuals. dihybrid cross An intercross between two F1 heterozygotes that are identical for two gene loci; the dihybrids are offspring of parents that bred true for different versions of two traits. dominant allele Of diploid cells, an allele that masks the phenotypic effect of any recessive allele paired with it. epistasis Interaction among the products of two or more gene pairs. gene [German pangan, after Gk. pan, all; genes, to be born] Unit of information for a heritable trait, passed from parents to offspring.
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Glossary - Observable Patterns of Inheritance - Glossary...

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