Punnett Square Credit Genetics and Punnett squares

Front

What is the term for an organism's genes, represented by two letters?

Back

Genotype

Front

What does a capital letter represent in genetics?

Back

A dominant trait that is always shown.

Front

What does a lowercase letter represent in genetics?

Back

A recessive trait that is hidden when paired with a dominant allele.

Front

What is the percent chance of offspring being heterozygous in a Punnett square with one dominant and one recessive allele?

Back

50%.

Front

What is the genotype of a parent that is heterozygous?

Back

Heterozygous.

Front

What is a Punnett square used for?

Back

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

Front

What does homozygous mean?

Back

Having two identical alleles for a trait.

Front

What does heterozygous mean?

Back

Having two different alleles for a trait.

Front

What is the difference between genotype and phenotype?

Back

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

Front

What is a dominant allele?

Back

An allele that expresses its trait even when paired with a recessive allele.