Heredity and Genetics Flashcards

Flashcards about Heredity and Genetics

Heredity

The passing on of traits from one generation to the next.

Trait

A specific characteristic that affects the way we look and how our bodies function.

Trait information

Passed on from generation to generation in the form of genes.

Allele

A version of a gene.

Dominant Allele

Shows their trait even if only one copy is present.

Recessive Allele

Their trait only shows if both copies are the recessive allele.

Dominant Trait

The trait that is always expressed or shown.

Recessive Trait

A trait that is covered up or seems to disappear.

Homozygous Dominant

The individual only has genes for the dominant trait.

Homozygous Recessive

The individual only has genes for the recessive trait.

Heterozygous

An individual that has one dominant gene and one recessive gene for a trait.

Genotype

Is the genetic make up for a trait.

Phenotype

Is what we end with.