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Why Do People Look Different? Student Laboratory Kits

By: The Flinn Staff

In the Why Do People Look Different? Biotechnology Laboratory Kit, simultaneously study the exciting topics of electrophoresis and DNA fingerprinting.

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Simultaneously teach the exciting topics of electrophoresis and DNA fingerprinting. Students determine what members of a family-a father, mother, and three children-look like by running simulated DNA samples in agarose gel. Traits investigated include hair color, eye color, and the presence or absence of freckles. Simulated DNA is separated by electrophoresis and colorful bands immediately appear in the gel, eliminating the need for messy stains. A real time saver too—only one class period is required!Includes agarose, buffer needle-tip pipets, five simulated DNA samples, complete instructions and reproducible student worksheets. Complete for 6 student groups. Super Value Kit is complete for 30 student groups. Requires electrophoresis apparatus and power supply.

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Analyzing and interpreting data
Developing and using models
Constructing explanations and designing solutions

Disciplinary Core Ideas

MS-LS1.A: Structure and Function
MS-LS3.A: Inheritance of Traits
HS-LS1.A: Structure and Function
HS-LS3.A: Inheritance of Traits

Crosscutting Concepts

Structure and function
Cause and effect

Performance Expectations

HS-LS1-1: Construct an explanation based on evidence for how the structure of DNA determines the structure of proteins, which carry out the essential functions of life through systems of specialized cells.
MS-LS3-2: Develop and use a model to describe why asexual reproduction results in offspring with identical genetic information and sexual reproduction results in offspring with genetic variation.