Punnett Squares

Front

What does 'aa' always show up as?

Back

Recessive

Front

What is the term for what you see, or the physical appearance?

Back

Phenotype

Front

Which of the following is homozygous recessive? (Tt, tt, TT, T)

Back

tt

Front

Which of the following would be a phenotype? (Aa, red hair, heterozygous, DNA)

Back

red hair

Front

In a Punnett square, if T = tall and t = short, what belongs in the missing square if the other squares are Tt, Tt, and Tt?

Back

tt

Front

What is a Punnett square used for?

Back

To predict the genetic outcomes of a cross between two organisms.

Front

Define genotype.

Back

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

Front

Define phenotype.

Back

The observable characteristics or traits of an organism.

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).