7th Grade Genetics Vocab and Review

Front

Genetic trait transfer from parent to offspring.

Back

heredity

Front

An allele that always expresses its trait when present.

Back

dominant allele

Front

An allele that appears only when no dominant allele is present.

Back

recessive allele

Front

Set of instructions for an inherited trait.

Back

gene

Front

Alternative gene form deciding traits (e.g., hair/eye color)

Back

allele

Front

Organism's detectable characteristic.

Back

phenotype

Front

Genetic makeup of an organism is its...

Back

genotype

Front

Chance of occurrence, often as a percentage.

Back

probability

Front

Two identical genes for a trait.

Back

homozygous

Front

Two different genes for a trait.

Back

heterozygous