Genetics Quiz

What is the definition of a gene?

• A segment of DNA that codes for a protein

• A type of cell

• A molecule that carries oxygen

• A structure that stores energy

What is an allele?

• A type of protein

• A variant form of a gene

• A cell organelle

• A type of sugar

What is the difference between dominant and recessive alleles?

• Dominant alleles are always expressed, while recessive alleles are only expressed when two copies are present

• Dominant alleles are weaker than recessive alleles

• Recessive alleles are always expressed, while dominant alleles are only expressed when two copies are present

• Dominant alleles are found only in plants

What is the term for a version of a gene that can mask the presence of another version?

• Recessive Allele

• Dominant Allele

• Genotype

• Phenotype

Which term describes the genetic makeup of an organism?

• Phenotype

• Heterozygous

• Genotype

• Homozygous

What is the observable characteristic or trait of an organism called?

• Genotype

• Phenotype

• Allele

• Gene

What are the different forms of a gene called?

• Chromosomes

• Alleles

• Proteins

• Traits

The gene for pea plant flower color comes in which two alleles?

• Red and Yellow

• Blue and Green

• Purple and White

• Pink and Orange

Who is considered the Father of Genetics?

• Charles Darwin

• Gregor Mendel

• Albert Einstein

• Isaac Newton

What did Gregor Mendel study at an Austrian university?

• Biology and Chemistry

• Math and Physics

• Literature and History

• Art and Music