Heredity Vocabulary

Different variations of the same gene

• genetics

• alleles

• traits

• true-breeding

A section of DNA that codes for one trait

• chromosome

• trait

• allele

• gene

the passing of traits from one generation to the next

• genetics

• heredity

• genome

• reproduction

The study of heredity

• genetics

• alleles

• law of segregation

• dominance

The idea that a dominant allele will always mask a recessive allele.

• Law of Independent Assortment

• Law of Segregation

• Law of Dominance

• True- breeding

A genotype with two of the exact same alleles: AA, aa, TT, tt

• homozygous

• heterozygous

• hybrid

• recessive

A genotype with both a dominant and a recessive allele.

• homozygous

• heterozygous

• recessive

• true- breeding

Having two recessive alleles for a trait

• heterozygous recessive

• heterozygous dominant

• homozygous dominant

• homozygous recessive

A trait that is only seen when no dominant allele is present in the genotype.

• dominant

• hybrid

• recessive

• true-breeding

A homozygous organism with predictable offspring with trait exactly like the parent plant.

• hybrid

• true-breeding

• heterozygous

• genetics