Punnett Square Credit Genetics and Punnett squares

Front

What is the percent chance of the offspring being heterozygous in a Punnett square?

Back

50%

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 term describes an organism's genes represented by two letters?

Back

Genotype

Front

Which genotype is homozygous recessive?

Back

rr

Front

What is a Punnett square used for?

Back

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

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 does it mean if an organism is homozygous?

Back

It has two identical alleles for a trait.

Front

What does it mean if an organism is heterozygous?

Back

It has two different alleles for a trait.

Front

What is the expected phenotypic ratio in a monohybrid cross?

Back

3:1 ratio of dominant to recessive traits.