Punnett Square Vocabulary

Front

What is a Punnett Square?

Back

A Punnett Square is a diagram used to predict the genetic outcome of a cross between two organisms.

Front

What does genotype mean?

Back

Genotype refers to the genetic makeup of an organism, specifically the alleles it carries.

Front

What is phenotype?

Back

Phenotype is the physical appearance or observable traits of an organism.

Tags

NGSS.HS-LS4-4

Front

What does homozygous mean?

Back

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

Tags

NGSS.HS-LS3-2

Front

What does heterozygous mean?

Back

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

Front

What is an allele?

Back

An allele is a variant form of a gene that can produce different traits.

Tags

NGSS.HS-LS3-2

Front

What is the purpose of a Punnett Square?

Back

The purpose of a Punnett Square is to show the possible combinations of alleles from two parents.

Front

What is a dominant allele?

Back

A dominant allele is an allele that expresses its trait even when paired with a different allele.

Tags

NGSS.HS-LS3-2

Front

What is a recessive allele?

Back

A recessive allele is an allele that only expresses its trait when paired with another recessive allele.

Front

What is the difference between genotype and phenotype?

Back

Genotype is the genetic code (e.g., AA, Aa, aa), while phenotype is the physical expression of that code (e.g., brown eyes).

Tags

NGSS.HS-LS1-1