Selective Breeding (Part 4)

What You'll Learn

Selective breeding is when humans choose organisms with desired traits to reproduce. Dog breeds, crop varieties, and livestock have been developed through thousands of years of selective breeding.

Key Words

offspring
parent
characteristic

Materials Needed

microscope (or magnifying glass)
slides
onion skin
iodine stain

Safety First

Do not taste any materials.
Wear safety goggles when mixing liquids.

Steps

Step 1 — Read

Read and learn: Selective breeding is when humans choose organisms with desired traits to reproduce. Dog breeds, crop varieties, and livestock have been developed through thousands of years of selective breeding.

Step 2 — Do

Measure and record your data in a table.

Step 3 — Observe

Note any unexpected results.

Step 4 — Record

Share your findings with the class or a partner.

Check Your Understanding

Question 1

1 of 3

What is a mutation?