Heredity & Genetics Vocabulary

Front

a different form of a gene

Back

allele

Front

an organism's genetic material; abbreviation for deoxyribonucleic acid

Back

DNA

Front

a genetic factor that blocks another genetic factor; it blocks recessive traits

Back

dominant trait

Front

a section of DNA

Back

gene

Front

the study of how traits are passed from parent to offspring

Back

genetics

Front

the alleles of all the genes on a chromosome; genetic makeup

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genotype

Front

the passing of traits from parent to offspring

Back

heredity

Front

A genotype in which the 2 alleles are different; ex: Aa

Back

heterozygous

Front

A genotype in which the 2 alleles are the same; ex: AA, aa

Back

homozygous

Front

a permanent change in the sequence of DNA

Back

mutation