Punnett Squares

Front

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

Back

dominant

Front

What is the ratio of the offspring from the cross shown that will be homozygous recessive for the trait of tallness? T = tall, t = short

Back

0 in 4

Front

T - tall and t = short. In the Punnett square, what belongs in the missing square?

Back

tt

Front

Aa, DD, Ba, and yy are all examples of ---

Back

genotypes

Front

Which of the following alleles is purebred recessive? Tt, tt, TT

Back

tt

Front

What is a Punnett Square?

Back

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

Front

Define genotype.

Back

The genetic makeup of an organism, represented by the alleles it possesses.

Front

Define phenotype.

Back

The observable characteristics or traits of an organism, determined by its genotype.

Front

What does homozygous mean?

Back

Having two identical alleles for a particular gene (e.g., TT or tt).

Front

What does heterozygous mean?

Back

Having two different alleles for a particular gene (e.g., Tt).