Genetics vocab.

The inheritance of genetic traits from parents to offspring

• Genetics

• Heredity

• Inheritance

• Reproduction

A portion of DNA that controls a trait. You have 2 for every trait.

• alleles

• genes

• chromosomes

• traits

A trait or allele that will always be expressed when it is present. Represented by capital letters

• Dominant

• Recessive

• Inherited

• Genetic

An organism with a heterozygous genotype

• homozygous

• purebred

• hybrid

• heterozygous

An organism that will always pass the same allele to its offspring because it has a homozygous genotype.

• homozygous

• heterozygous

• purebred

• hybrid

The physical expression of an organism’s alleles (genes). What you see

• genotype

• phenotype

• allele

• genetic trait

The different forms of a trait or gene. You have 2 of these for every trait.

• genes

• alleles

• chromosomes

• genetic traits

The type of gene or trait that requires 2 identical alleles to be expressed, it is masked when a dominant allele is present. Represented by lowercase letters

• recessive

• dominant

• genetic

• inherited

The combination of alleles an organism has for a trait. Shown with uppercase or lowercase letters

• phenotype

• genotype

• chromosomes

• alleles

A genotype with 2 of the same alleles (AA or aa)

• homozygous

• heterozygous

• purebred

• hybrid