GENETICS VOCABULARY

Front

What is the physical or visible appearance of an organism?

Back

Phenotype

Front

What is the genetic make-up; the actual gene pair?

Back

Genotype

Front

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

Back

Heredity

Front

What do TT and tt represent in genetics?

Back

Homozygous

Front

What term describes a hybrid; a different gene pair?

Back

Heterozygous

Front

What is the study of heredity and the variation of inherited characteristics?

Back

Genetics

Front

What is a dominant allele?

Back

An allele that expresses its trait even in the presence of a recessive allele.

Front

What is a recessive allele?

Back

An allele that only expresses its trait when two copies are present.

Front

What is a Punnett square used for?

Back

To predict the genetic outcomes of a cross between two organisms.

Front

What is the difference between homozygous and heterozygous?

Back

Homozygous has identical alleles, while heterozygous has different alleles.