Analyze Genetic Crosses and Punnett Squares

Front

What are genes?

Back

Segments of DNA that carry traits for offspring.

Front

Which of the following is a Homozygous Dominant Genotype?

Back

XX

Front

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

Back

tt

Front

Which of the following is a homozygous recessive genotype?

Back

dd

Front

What you see, or the physical appearance.

Back

Phenotype

Front

What is a genotype?

Back

The genetic makeup of an organism, represented by letters (e.g., TT, Tt, tt).

Front

What does homozygous mean?

Back

Having two identical alleles for a trait (e.g., AA or aa).

Front

What does heterozygous mean?

Back

Having two different alleles for a trait (e.g., Aa).

Front

What is a Punnett Square?

Back

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

Front

What is the difference between dominant and recessive alleles?

Back

Dominant alleles mask the effect of recessive alleles in heterozygous conditions.