Genetics Vocabulary

Front

What is a genetic factor that blocks another genetic factor?

Back

Dominant trait

Front

What is the passing of traits from parents to offspring called?

Back

Heredity

Front

What is the study of how traits are passed from parents to offspring?

Back

Genetics

Front

What is the genetic information found in the nucleus of a cell?

Back

DNA

Front

What are the structures in the nucleus that carry DNA molecules?

Back

Chromosomes

Front

What is a segment of DNA that codes for a specific trait?

Back

Gene

Front

What is the term for an organism's genetic makeup?

Back

Genotype

Front

What is the observable physical or biochemical characteristics of an organism?

Back

Phenotype

Front

What do you call an organism with two identical alleles for a trait?

Back

Homozygous

Front

What do you call an organism with two different alleles for a trait?

Back

Heterozygous