Meiosis: Making Sex Cells (Part 3)

What You'll Learn

Meiosis is a special type of cell division that produces sex cells (gametes) with half the normal number of chromosomes. When egg and sperm unite, the full number is restored.

Key Words

dominant
recessive

Materials Needed

coins (for Punnett squares)
tape
index cards

Safety First

Be careful with scissors — ask an adult for help if needed.
Do not look directly at the sun or bright lights.

Steps

Step 1 — Read

Read and learn: Meiosis is a special type of cell division that produces sex cells (gametes) with half the normal number of chromosomes. When egg and sperm unite, the full number is restored.

Step 2 — Do

Measure and record your data in a table.

Step 3 — Observe

Compare the before and after states.

Step 4 — Record

Write your conclusion: did the results match your hypothesis?

Check Your Understanding

Question 1

1 of 3

What is meiosis?