Mississippi Science L.3.2.3

Science3rd GradeLife Science

The Standard

L.3.2
Students will demonstrate an understanding that through reproduction, the survival and physical features of plants and animals are inherited traits from parent organisms but can also be influenced by the environment.
Describe and provide examples of offspring from two parent organisms as containing a combination of inherited traits from both parent organisms.

2026 Mississippi College- and Career-Readiness Standards for Science · Reproduction and Heredity

Teacher's field guide

What This Standard Means

What Students Need to Do

Students compare an offspring with its two parents. They describe traits it may have inherited from each one, such as coat color or ear shape.

What Mastery Looks Like

A student can point to traits a puppy shares with its mother and father. They can explain that the puppy gets traits from both parents, even if it looks more like one.

Common Misconceptions

Students may think an offspring gets traits only from the parent it resembles most. They may also mistake a collar or a learned trick for an inherited trait.

How to Assess It

Show drawings of two parent dogs and a puppy with the mother's floppy ears and the father's spotted coat. Ask students to name one trait the puppy may have inherited from each parent.

Lesson moves

Ways to Teach It

  1. Give pairs paper cards showing two parent dogs; have them draw a puppy with one visible trait from each.

  2. Ask: A puppy looks more like its mother. Could it still have traits from its father? Explain using coat and ears.

  3. Sort cards labeled spotted coat, floppy ears, red collar, and sits on command into inherited traits and other features.

  4. Show a breeder's listing with photos of a puppy and both parents; ask students to point out shared coat or ear traits.

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Printable L.3.2.3 Worksheet

Preview of the L.3.2.3 printable worksheet

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