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Genetics
Inheritance, dominance and Gene relationships
7
Biology
Undergraduate 1
04/14/2009

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Term
Complete Dominance of one allele
Definition
Heterozygous phenotype is the same as that of the homozygous dominant
Term
Incomplete dominance of one allele
Definition
heterozygous phenotype intermediate between the two homozygous phenotypes
Term
Codominance
Definition
heterozygous: both phenotypes expressed
Term
Multiple alleles
Definition
in the whole population, some genes have more than two alleles
Term
Pleiotropy
Definition
one gene is able to affect multiple phenotypic characters
Term
Epistasis
Definition
one gene affects the expression of another
Term
polygenic inheritance
Definition
a single phenotypic character is affected by two or more genes
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