FREE SAT Biology Genetics & Evolution Questions and Answers

Question 1

What is the primary mechanism of evolution?

Accepted Answer

Natural selection

Answer

Mutations only

Answer

Genetic drift

Answer

Random mating

Question 2

Which structure carries genetic information?

Accepted Answer

DNA

Answer

Ribosomes

Answer

Mitochondria

Answer

RNA

Question 3

What term describes a change in DNA sequence?

Accepted Answer

Mutation

Answer

Transcription

Answer

Replication

Answer

Translation

Question 4

What is genetic drift?

Accepted Answer

Genetic drift

Answer

Natural selection

Answer

Artificial selection

Answer

Speciation

Question 5

What is a phenotype?

Accepted Answer

Observable traits

Answer

Genetic code

Answer

DNA sequence

Answer

Protein structure

Question 6

What does a Punnett square illustrate?

Accepted Answer

Trait inheritance

Answer

Chromosomal crossover

Answer

Genetic mutation

Answer

Gene sequencing

Question 7

Which scientist is known for the theory of evolution by natural selection?

Accepted Answer

Charles Darwin

Answer

Gregor Mendel

Answer

Isaac Newton

Answer

Albert Einstein

Question 8

What is speciation?

Accepted Answer

Speciation

Answer

Mutation

Answer

Extinction

Answer

Fertilization

Question 9

What is a genotype?

Accepted Answer

The genetic makeup of an organism

Answer

An inherited behavior

Answer

A visible trait

Answer

A protein