Punnett Square

Front

What is a Punnett Square?

Back

A Punnett Square is a diagram used to predict the outcome of a genetic cross by showing the possible combinations of alleles from the parents.

Front

What does homozygous mean?

Back

Homozygous refers to having two identical alleles for a particular gene (e.g., AA or aa).

Front

What does heterozygous mean?

Back

Heterozygous refers to having two different alleles for a particular gene (e.g., Aa).

Front

What is the genotype of a pea plant with round seeds that is homozygous dominant?

Back

RR

Front

What is the genotype of a pea plant with round seeds that is heterozygous?

Back

Rr

Front

Who is Gregor Mendel?

Back

Gregor Mendel was a scientist and priest known as the 'father' of modern genetics for his study of pea plant traits and patterns of inheritance.

Front

What is the phenotype of a pea plant with genotype Rr?

Back

The phenotype is round seeds, as round (R) is dominant over wrinkled (r).

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 or characteristics.

Front

What does it mean for a trait to be dominant?

Back

A dominant trait is one that is expressed in the phenotype even when only one allele is present.

Front

What does it mean for a trait to be recessive?

Back

A recessive trait is one that is only expressed in the phenotype when two copies of the allele are present.