Punnett Square Practice

Front

What type of genotype is represented by AA?

Back

Homozygous dominant

Front

What is the term for having two different genes for a trait?

Back

Heterozygous

Front

What does a Punnett square predict?

Back

The ratio of genotypes in the offspring based on the genotypes of the parents.

Front

If tallness (H) is dominant to shortness (h), what is the phenotype of the offspring with genotype Hh?

Back

Tall

Front

What is the percentage of offspring that will be wrinkled when crossing two heterozygous round pea plants (Ss x Ss)?

Back

25%

Front

What is the definition of phenotype?

Back

Physical appearance of an organism.

Front

What type of genotype is represented by aa?

Back

Homozygous recessive

Front

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

Back

Homozygous

Front

In a Punnett square, what do the letters represent?

Back

Alleles of the genes from each parent.

Front

What is the expected genotype ratio from a monohybrid cross of two heterozygous parents (Aa x Aa)?

Back

1 AA : 2 Aa : 1 aa