Punnett Squares

Front

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

Back

dominant

Front

AA and Aa always show up as ---

Back

dominant.

Front

A trait controlled by a recessive allele only appears in the organism's phenotype ---

Back

if the organism does not have any dominant alleles.

Front

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

Back

tt

Front

Which of the following genotypes is homozygous dominant?

Back

AA

Front

What is a Punnett Square?

Back

A diagram used to predict the outcome of a genetic cross.

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 a genotype?

Back

The genetic makeup of an organism.

Front

What is a phenotype?

Back

The physical appearance of an organism.