Mutations and Variation (Part 2)

What You'll Learn

Genetic variation within a population is essential for evolution. Variation comes from mutations, sexual reproduction, and gene flow between populations.

Key Words

trait
dominant
recessive

Steps

Step 1 — Read

Read and learn: Genetic variation within a population is essential for evolution. Variation comes from mutations, sexual reproduction, and gene flow between populations.

Step 2 — Do

Gather your materials and set up your workspace.

Step 3 — Observe

Watch carefully for any changes and note the time.

Step 4 — Record

Create a data table to organize your measurements.

Check Your Understanding

Question 1

1 of 3

What does DNA stand for?