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Genetics

Genetics Vocabulary

TermDefinition
Gene The basic unit of heredity that consists of a long continuous thread of DNA on a chromosome.
Trait A characteristic that is inherited.
Genetics The study of heredity patterns and variation of organisms.
Heredity The passing of genes from parents to offspring; the genes are expressed in the traits of the offspring.
Allele Different form of the same gene.
Dominant Allele Masks any other form present.
Recessive Allele The form of a gene that is masked.
Homozygous An individual that has two of the same alleles for a gene.
Heterozygous An individual that has two different alleles for a gene.
Test Cross Crossing an unknown individual with a recessive individual to determine whether the unknown individual is homozygous or hereozygous.
Created by: 1348569
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