Monohybrid Punnett Squares (2024)

Front

What does it mean for an organism to be heterozygous?

Back

An organism is heterozygous when it has two different alleles for a specific gene.

Front

What is an example of a heterozygous genotype?

Back

Bb is an example of a heterozygous genotype.

Front

What is the phenotype associated with the genotype Bb?

Back

The phenotype for Bb is a Blue Chicken.

Front

How do the genotypes AA and Aa express themselves in terms of dominance?

Back

Both AA and Aa show up as dominant phenotypes.

Front

What allele combination is represented by Aa?

Back

Aa represents a heterozygous combination of alleles.

Front

What is a Punnett square used for?

Back

A Punnett square is used to predict the genotypes and phenotypes of offspring from a genetic cross.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup of an organism, while phenotype refers to the observable traits.

Front

What does a dominant allele do in a genotype?

Back

A dominant allele masks the effect of a recessive allele in a heterozygous genotype.

Front

What is the expected phenotype ratio in a monohybrid cross?

Back

The expected phenotype ratio in a monohybrid cross is typically 3:1 for dominant to recessive traits.

Front

What is the significance of the letter 'B' in the genotype Bb?

Back

The letter 'B' represents one allele for a gene, which can be dominant or recessive.