Punnett Squares

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 do the letters T and t represent in genetics?

Back

T represents a dominant allele for tallness, while t represents a recessive allele for shortness.

Front

What is the genotype for a homozygous tall plant?

Back

TT

Front

What is the genotype for a homozygous short plant?

Back

tt

Tags

NGSS.HS-LS3-1

Front

What is the genotype for a heterozygous tall plant?

Back

Tt

Front

What does heterozygous mean?

Back

Heterozygous means having two different alleles for a particular gene, such as Tt.

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

Front

What does homozygous mean?

Back

Homozygous means having two identical alleles for a particular gene, such as TT or tt.

Front

How are dominant alleles represented?

Back

Dominant alleles are represented by a capital letter.

Front

How are recessive alleles represented?

Back

Recessive alleles are represented by a lowercase letter.

Front

What is a genotype?

Back

A genotype is the genetic makeup of an organism, represented by the alleles it possesses.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2