Lab Phenylthiocarbamide (PTC) Testing Genetics Punnett Squares

Lab Phenylthiocarbamide (PTC) Testing  Genetics Punnett Squares
Lab Phenylthiocarbamide (PTC) Testing  Genetics Punnett Squares
Lab Phenylthiocarbamide (PTC) Testing  Genetics Punnett Squares
Lab Phenylthiocarbamide (PTC) Testing  Genetics Punnett Squares
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Product Description

This is an easy and fun lab where students find out if they can taste PTC. PTC paper can be easily purchased (and it is inexpensive) from any science supply catalog (Flinn Scientific, Ward's, etc). This zip file contains a pdf version, as well as a fully editable word doc.

Background Information
• Have you ever wondered why your hair is so straight? How you got your cute freckles or your beautiful brown eyes? You get those traits from your parents! But did you know that some traits CAN’T be seen? In this lab, you’ll determine if you have a trait that can be TASTED! Then, trace it through your family to determine if your parents have the same trait you do.

• Phenylthiocarbamide is a chemical that is used to test for a genetic trait. PTC paper determines if someone is a Taster (can taste PTC) or a Non-taster (cannot taste PTC). The trait for tasting and not tasting is passed in the DNA from parent to child.

Objective
To determine if you are a Taster or Non-Taster and then apply that information to predicting the possible genotypes and phenotypes for your parents.

Total Pages
2 pages
Answer Key
N/A
Teaching Duration
N/A
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$2.99
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Beth Harman

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