Practice Bio Quiz

Who is known as the father of Genetics?

• Charles Darwin

• Isaac Newton

• Gregor Mendel

• Albert Einstein

What is the study of heredity known as?

• Biology

• Chemistry

• Physics

• Genetics

What does a dominant gene represent in genetic notation?

• Lowercase letters (a, c, t)

• Numbers (1, 2, 3)

• Symbols (#, $, %)

• Capital letters (A, C, T)

What is the difference between genotype and phenotype?

• Genotype is physical appearance, phenotype is genetic makeup

• Genotype and phenotype are the same

• There is no difference

• Genotype is genetic makeup, phenotype is physical appearance

What type of plants did Gregor Mendel experiment on?

• Sunflowers

• Roses

• Garden peas

• Cactus

What is the result of a heterozygous genotype?

• Purebred

• Hybrid

• Recessive

• Dominant

What does the Law of Independent Assortment state?

• Only recessive genes are inherited

• Only dominant genes are inherited

• Genes for the same trait are inherited together

• Genes for different traits are inherited independently of each other

What is incomplete dominance?

• When both alleles contribute to the phenotype

• When one allele is not expressed in the phenotype

• When neither allele contributes to the phenotype

• When both alleles are not expressed in the phenotype

What is the purpose of a Punnett Square?

• To predict the outcome of genetic crosses

• To determine the chemical composition of genes

• To identify the parents of an organism

• To measure the physical characteristics of offspring

What does homozygous mean?

• No alleles for a trait

• Two different alleles for a trait

• Two alleles for different traits

• Two identical alleles for a trait