Genetics Vocabulary

Front

What is the study of how traits are inherited through the interactions of genes?

Back

Genetics

Front

What is a model that shows genetic traits that were inherited by members of a family?

Back

Pedigree

Front

What term describes the distinguishing characteristics of an organism?

Back

Trait

Front

What phenotype would be produced by the genotype 'bb' if brown eyes (B) are dominant to green eyes (b)?

Back

green eyes

Front

What is an organism's genetic makeup, usually expressed in letters?

Back

Genotype

Front

What is the term for a version of a gene that can be dominant or recessive?

Back

Allele

Front

What do we call a trait that is expressed only when two recessive alleles are present?

Back

Recessive Trait

Front

What do we call a trait that is expressed when at least one dominant allele is present?

Back

Dominant Trait

Front

What is the physical appearance of an organism called?

Back

Phenotype

Front

What is the term for having two identical alleles for a trait?

Back

Homozygous