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Genes (not Jeans!) Part 3: Punnett Square Intro PowerPoint created by sfalwell, permission granted for teachers to use if they include link to

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Presentation on theme: "Genes (not Jeans!) Part 3: Punnett Square Intro PowerPoint created by sfalwell, permission granted for teachers to use if they include link to"— Presentation transcript:

1 Genes (not Jeans!) Part 3: Punnett Square Intro PowerPoint created by sfalwell, permission granted for teachers to use if they include link to http://comelearnmore.com/ http://comelearnmore.com/

2 Mendel determined that some traits are _____________ and show up more often, while some traits are ______________ and seem to hide or skip generations. dominant recessive What do you know about Mendel’s experiments? Why is he called the Father of Genetics?

3 Genetics Word Problem: Brown eyes are dominant to blue eyes. If mom has a heterozygous genotype and dad has a homozygous recessive phenotype, what is the probability of offspring with blue eyes? Sneak peak! A look at what’s ahead Translation: Since Mrs. F’s mom had brown eyes and her dad had blue eyes, figure out the chances that Mrs. F (or her brothers and sisters) would end up with blue eyes.

4 6 Key Terms 1)Dominant 2)Recessive 3)Genotype 4)Phenotype 5)Homozygous 6)Heterozygous

5 Frayer Model

6 Using Quizlet for Vocabulary Review

7 Set up the next page of your notebook like this Picture ExplanationPunnett Square

8 using Punnett Squares Let’s explain Mendel’s Pea Plant Experiment TT t t Tt T T T t tt Tt

9 Gregor Mendel’s Punnett Square Video

10 Genetics Word Problem #1: Brown eyes are dominant to blue eyes. If mom has a heterozygous genotype and dad has a homozygous recessive phenotype, what is the probability of offspring with blue eyes? How to do Punnett Squares We will use Punnett Square Word Problems Set Up #1 in your interactive notebook to work through this problem. 1.Read and Translate the word problem 2.Draw Punnett Square 3.Fill in the Punnett Square for the potential offspring. 4.Answer the question.


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