Biology Quiz on Genetics and Evolution

What are the corresponding nitrogenous base pairs in DNA?

• A-C, G-T

• A-T, G-C

• C-G, T-A

• A-G, T-C

What are the corresponding nitrogenous base pairs in RNA?

• A-C, G-T

• A-U, G-C

• C-G, T-A

• A-G, U-C

What is the observable physical or biochemical characteristics of an organism called?

• Genotype

• Phenotype

• Gene

• Allele

In a Punnett square, what does 'RR' represent?

• Homozygous recessive

• Heterozygous

• Homozygous dominant

• Phenotype

What type of cell division reduces the number of chromosomes in gametes?

• Meiosis

• Binary fission

• Mitosis

• Fertilization

Which of the following is a key difference between prokaryote and eukaryote DNA replication?

• Prokaryotes have multiple origins of replication

• Eukaryotes have a single origin of replication

• Prokaryotes have a single origin of replication

• Eukaryotes do not replicate DNA

What does a pedigree chart show?

• The genetic makeup of an organism

• The classification of organisms

• Patterns of traits among family members

• The process of natural selection

What is the purpose of a restriction enzyme?

• To cut DNA into fragments

• To replicate DNA

• To create vaccines

• To synthesize proteins

Which of the following is an example of temporal isolation?

• Two species live in different geographical areas

• Two species have different mating rituals

• Two species cannot interbreed due to physical barriers

• Two species mate at different times of the year

What is the scientific discipline concerned with classifying and naming living organisms?

• Biotechnology

• Evolution

• Taxonomy

• Genetics