Genetics Vocabulary

The passing of a trait from parents to offspring

• heredity

• phenotype

• genotype

• allele

a variation of a gene. For example: brown or blue eyes

• dominant

• gene

• allele

• genome

this type of trait will be hidden unless there are two alleles present

• genetics

• recessive

• DNA

• dominant

A trait that is shown or expressed

• genotype

• genome

• phenotype

• probability

When both alleles are identitcal to each other.

• heterozygous

• hybrid

• gamete

• homozygous

another word used for a sex cell

• gamete

• genome

• gene

• genetics

A section of DNA that carries a code for a certain trait or characteristic.

• molecule

• gene

• trait

• adenine

a branch of mathematics that helps you predict the chance that something might happen.

• Punnett Square

• purebred

• genetics

• probability

A tool used to predict results an offspring may inherit a trait through ratios or percentages.

• pythagorean

• probability

• Punnett Square

• pyramid

an organism's complete genetic code that make it unique.

• gene

• genome

• allele

• trait