Genetics

What is an allele?

• A trait

• Different forms of a gene

• DNA

• Different types of parents

If a person is heterozygous for a trait, their genotype can be...

• Aa

• AA, aa

• AA, Aa

• AA

If "B" represents brown hair, and "b" represents blond hair, what will the genotype be for a homozygous brown haired person?

• BB

• Bb

• bb

If "B" is brown and "b" is blond, what is the phenotype of someone who's genotype is "bb"

• Brown Hair

• Blond Hair

• Red Hair

If a person is heterozygous for brown hair, what is their genotype?

• BB

• Bb

• bb

Heterozygous: Different, Homozygous:_____________

• The same

• Less Than

• Greater Than

• 4 copies

What is the missing pairing?

• AA

• Aa

• aa

Based on the missing letter, what is the parent's genotype?

• AA

• Aa

• aa

This scientist studied pea plants and was considered to be the "Father of Genetics".

• Reginald Punnett

• Gregor Mendel

• Charles Darwin

• Rosalind Franklin

Y= yellow pod

y= green pod

What is the percentage of yellow pod when you cross a hybrid pod plant with a purebred green pod plant?

• 25%

• 50%

• 75%

• 100%