Punnett Squares & Pedigrees

Front

How many alleles (letters) does a child get from each parent?

Back

1

Front

Aa, DD, bB, yy are all examples of

Back

genotypes

Front

What you see, or the physical appearance.

Back

Phenotype

Front

AA and Aa always show up as

Back

dominant

Front

aa always shows up as

Back

recessive

Front

If B = brown hair and b = blonde hair, what is the probability of brown hair? Options: 25%, 50%, 0%, 75%

Back

75%

Front

In certain species of plants, purple flowers (P) are dominant to white flowers (p). If two heterozygous plants are crossed, what will be the phenotype of the offspring?

Back

25% white flowers, 75% purple flowers

Front

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

Back

tt

Front

What do we use pedigrees for?

Back

To track traits in families

Front

In a pedigree, what shape represents a male? Options: circle, square, triangle, diamond

Back

square