Punnett Square Quiz

How many alleles (letters) does a child get from each parent for each trait? 1 or 2

1

How many alleles (letters) do each person carry for a trait? 1 or 2

2

Write an example of homozygous dominant?

AA

Write an example of homozygous dominant?

AA, BB, CC,.......

Write an example of a genotypes that is heterozygous?

Bb

Write an example of a phenotype?

Brown hair, blue eyes, tall, short

Molecule that carries genetic information that defines an organisms traits. It is stored in the nucleus.

DNA

True or False. aa always show up as dominant

False

True or False. Aa is heterozygous

True

True or False. If two brothers have brown eyes and one has a genotype BB and the other Bb then they have the same genotypes but different phenotypes.

True

Write an example of homozygous recessive?

aa, bb, cc.....

AA and Aa always show up as dominant or recessive

dominant

Aa, DD, Bb, yy are all examples of genotypes or phenotypes

genotypes

What gender has an X and a Y chromosome?

male

What you see, or the physical appearance is a genotype or phenotype?

phenotype