Monohybrid Cross Review

Front

What is the genotype of a heterozygous green watermelon?

Back

Gg

Front

What is the percent chance of having a child with blue eyes in a monohybrid cross?

Back

25%

Front

What are the possible genotypes for a monohybrid cross of TT and tt?

Back

TT=25%, Tt=50%, tt=25%

Front

What is the phenotypic ratio for the monohybrid cross between blue and brown eyes?

Back

2:2

Front

What are physical descriptions such as hair color and eye color known as?

Back

Phenotype

Front

What is the definition of genotype?

Back

The genetic makeup of an organism.

Front

What does a Punnett square illustrate?

Back

The possible genotypes of offspring from a genetic cross.

Front

What is the dominant trait in watermelons, green rinds or striped rinds?

Back

Green rinds (G) are dominant.

Front

In a monohybrid cross, what does a 3:1 phenotypic ratio indicate?

Back

It indicates that one trait is dominant over the other.

Front

What is the purpose of a test cross?

Back

To determine the genotype of an organism with a dominant phenotype.