Genetics and Punnett Squares Quiz

Who is known for studying pea plants and their genetics?

• Gregor Mendel

• Isaac Newton

• Albert Einstein

• Charles Darwin

What is the genotype of a purebred black Labrador retriever?

• bb

• Bb

• bB

• BB

What is the phenotype of a Labrador retriever with genotype Bb?

• Mutt

• Hybrid

• Brown

• Black

What is the dominant trait in Labrador retrievers?

• Green

• Brown

• Black

• Yellow

What is the ratio of black to brown puppies when crossing two hybrid Labrador retrievers?

• 2:1

• 4:1

• 3:1

• 1:1

What is the possible genotype of a black Labrador retriever?

• BB

• Bb

• bB

• bb

What is the phenotype of a Labrador retriever with genotype bb?

• Brown

• Mutt

• Black

• Hybrid

What is the recessive trait in Labrador retrievers?

• Brownish Black

• Black

• Blackish Brown

• Brown

What is the possible genotype of a brown Labrador retriever?

• bB

• bb

• Bb

• BB

What is the phenotype of a Labrador retriever with genotype Bb?

• Brown

• Mutt

• Hybrid

• Black