Punnett Squares and Pedigrees

Front

Physical characteristic or trait (Ex: Height, Hair color, etc.)

Back

Phenotype

Front

The genetic makeup of an organism usually represented by alleles. (Ex. AA, Aa, or aa)

Back

Genotype

Front

When the alleles that represent a gene are different. (Aa)

Back

Heterozygous

Front

What color eyes do the parents have?

Back

One has blue and one has brown

Front

What is the genotype probability of the offspring?

Back

50% Bb, 50% bb

Front

____ is a specific characteristic that varies from one individual to another.

Back

Trait

Front

Which of the following represents alleles for the homozygous recessive genotype? Options:

Aa

,

aa

,

AA

Back

aa

Front

Dominant alleles are represented by a:

Back

capital letter

Front

When will a recessive genotype show?

Back

The offspring has two recessive genotypes

Front

Cross 2 heterozygous tall pea plants. Tall (T) is dominant to short (t). What fraction of the offspring will be tall?

Back

3/4