Punnett Squares: Predicting Traits (Part 4)

What You'll Learn

Punnett squares are tools for predicting the probability of offspring inheriting particular traits. They show all possible combinations of alleles from two parents.

Key Words

mutation
natural selection
evolution

Materials Needed

ruler
scissors
microscope (or magnifying glass)

Safety First

Do not mix unknown chemicals together.
Tie back long hair before starting the experiment.

Steps

Step 1 — Read

Read and learn: Punnett squares are tools for predicting the probability of offspring inheriting particular traits. They show all possible combinations of alleles from two parents.

Step 2 — Do

Conduct the experiment by following the instructions.

Step 3 — Observe

Draw a picture of what you observe.

Step 4 — Record

Answer the questions based on your data.

Check Your Understanding

Question 1

1 of 3

What is a Punnett square used for?