Punnett square vocabulary

Front

What is the study of heredity and how traits are inherited?

Back

Genetics

Front

What section of chromosomes determines a trait?

Back

Gene

Front

What are characteristics that are passed on from parents to offspring?

Back

Traits

Front

What percentage of offspring are heterozygous in a typical Punnett square cross?

Back

50%

Front

What percentage of offspring are homozygous dominant in a typical Punnett square cross?

Back

0%

Front

What is the term for an organism with two different alleles for a trait?

Back

Heterozygous

Front

What is the term for an organism with two identical alleles for a trait?

Back

Homozygous

Front

What is the physical expression of a trait called?

Back

Phenotype

Front

What is the genetic makeup of an organism called?

Back

Genotype

Front

In a Punnett square, what do the letters represent?

Back

Alleles