Genetics Flashcards

The study of heredity, the passing of traits from parents to child.

Genetics

A molecule that determines traits

DNA

Physical characteristics that you get from your parents

Traits

Segments of DNA that carries information

Genes

Different copies of genes are called alleles.

Alleles

a chart that shows all the possible combination of alleles that can result from a genetic cross

Punnett Square

an allele (gene copy) whose trait always appears

Dominant Allele

an allele (gene copy) whose trait can be masked or hidden by the dominant allele

Recessive Allele

physical appearance of a trait.

Phenotype

the combination of alleles

Genotype

Alleles are the same

Homozygous Genotype

One allele of each kind

Heterozygous Genotype