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Blood Bank - Chapter 1 Terms
Fundamentals of Genetics: Blood Bank Applications
12
Medical
Undergraduate 3
01/07/2011

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Term
Phenotype
Definition
The inherited traits that are expressed in an individual
Term
Genotype
Definition
The genetic makeup of an individual
Term
Dominance
Definition
Expression of inherited trait when the allele is present in either the homozygous or heterozygous form
Term
Recessiveness
Definition
Expression of inherited trait only when the allele is present in the homozygous form
Term
Homozygous
Definition
Pertaining to the condition that exists when the two alleles for a given trait are the same
Term
Heterozygous
Definition
Pertaining to the condition that exists when two alleles for a given trait are different
Term
Incomplete dominance
Definition
The condition in which the products of both alleles are expressed but the effect of one allele is stronger than that of the other
Term
Codominance
Definition
Inherited traits that are expressed whether the allele is present in the homozygous or heterozygous form
Term
Autosomal inheritance
Definition
Alleles that are carried on any autosome except the X or Y sex chromosome
Term
Hemizygous
Definition
Used to describe the genetic material on the X chromosome of the male for which there is not equivalent material on the Y chromosome
Term
Sex linked (X-linked) inheritance
Definition
An allele that is carried on the X chromosome
Term
Linkage
Definition
The tendency of genes that are located in close proximity on a chromosome to be associated in inheritance
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