Monohybrid Punnett Squares (2024)

Front

What is an organism’s genetic makeup or allele combination?

Back

Genotype

Front

What are Aa, DD, bB, yy examples of?

Back

Genotypes

Front

What do we call an organism with two different alleles for a gene?

Back

Heterozygous

Front

Which genotype is homozygous dominant: A, Aa, AA, or aa?

Back

AA

Front

If T=Tall & t=short, what is the genotypic ratio of a monohybrid cross?

Back

1:2:1

Front

What is the term for the observable traits of an organism?

Back

Phenotype

Front

What do we call an organism with two identical alleles for a gene?

Back

Homozygous

Front

In a monohybrid cross, what is the expected phenotypic ratio of offspring?

Back

3:1

Front

What is the purpose of a Punnett square?

Back

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

Front

What does a capital letter represent in genetics?

Back

A dominant allele.