Genetics Quiz

What is the scientific study of heredity?

• A) Evolution

• B) Genetics

• C) Biology

• D) Ecology

Who is known as the "father of genetics"?

• A) Charles Darwin

• B) Gregor Mendel

• C) James Watson

• D) Francis Crick

Which organism did Gregor Mendel use for his genetic experiments?

• A) Fruit flies

• B) Mice

• C) Pea plants

• D) Corn

What are the different forms of the same gene called?

• A) Chromosomes

• B) Alleles

• C) Nucleotides

• D) Proteins

What is a dominant trait?

• A trait that is always recessive

• A trait that is masked by another

• A genetic factor that blocks another genetic factor

• A trait inherited only from the father

What is a recessive trait?

• A trait that appears in every generation

• A trait that is masked by a dominant allele

• A genetic disorder

• A mutation in DNA

What does a Punnett square predict?

• The number of chromosomes in a cell

• The possible genetic combinations of offspring

• The environmental influence on traits

• The mutations that will occur in the next generation

Which genotype represents a homozygous dominant organism?

• TT

• Tt

• tt

• TTT

Which genotype represents a heterozygous organism?

• TT

• Tt

• tt

• TTT

What does "purebred" mean in genetics?

• Heterozygous genotype

• Homozygous genotype

• Hybrid genotype

• Organism with no genetic material