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Basic Principles of Heredity
Gregor Mendel and the basic principles of heredity.
9
Biology
Undergraduate 2
04/16/2012

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Term
Gene
Definition
A genetic factor (region of DNA) that helps determine a characteristic.
Term
Allele
Definition
One of two or more alternative forms of a gene.
Term
Locus
Definition
Specific place on a chromosome occupied by an allele.
Term
Genotype
Definition
Set of alleles possessed by an individual organism.
Term
Heterozygote
Definition
An individual organism possessing two different alleles at a locus.
Term
Homozygote
Definition
An individual organism possessing two of the same alleles at a locus.
Term
Phenotype or Trait
Definition
The appearance or manifestation of a character.
Term
Character or Characteristic
Definition
An attribute or feature.
Term
Monohybrid Cross
Definition
A cross between parents that differed in a single characteristic.
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