Genetics STEM Unit: Hybrid Apple Science + Produce Engineering Design (5E Model)

lesson overview

Manipulating Genetics: Hybrid STEM Unit Overview

Students will complete a hands-on apple observation of hybrid and non-hybrid apples, giving students the opportunity to look, smell, touch and taste the different varieties. Building from this experience, students will explore key genetic concepts on hybrids through readings, videos, and discussions. Students will then apply this concept to a produce engineering design lab, where teams design their own unique hybrid based on criteria and customer demand. A final assessment is provided, along with a brief introduction to GMOs for students to have the opportunity to compare and contrast hybrids to GMOs.  

Key Science Concepts: 

• Humans can influence the inheritance of desired traits in organisms.

• A hybrid cross is when two genetically different individuals breed. They give their offspring a mix of traits that comes from both parents.

• Hybrid crosses are a natural way of manipulating genes and take many years.

• Hybrid crosses may lead to increased crop yield, make produce disease resistant, and make them more delicious.

Complete 5E Science Unit:

1. Engage: Which Apple Would You Pick?

2. Explore: Complete Apple Observations: Gala, Braeburn and Jazz Apple

3. Explain: Connect Apple Observations to Science Concept

4. Elaborate: Deepen Understanding with a Produce Design Lab

5. Evaluate: Assess Student Learning with Reflections + Exit Ticket and Comparing and Contrasting GMO to Hybrids

4-90 minute Lesson Sequence:

• Session 1: Which Apple would you pick? + Apple Observations

• Session 2: Connecting Apples to Science Concept + Career Connection

• Session 3: Produce Design Lab

• Session 4: GMO vs. Hybrid + Exit Ticket

Recommended Materials:

• Gala Apple

• Braeburn Apple

• Jazz Apple

• Paper Plate

• Knife/Apple Cutter

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