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Question of the Day

Question of the Day. Question: How are co-dominance and incomplete dominance similar? Different? Answer : … … …. 3 ’s Turn In: Genetics Practice Problems #1-24 p. 320 Analyzing Data 1, 2, 4 Who Gets the Money, opened to p. 2. Unit 6 Vocab Sheet. Unit 6 Vocabulary.

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Question of the Day

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  1. Question of the Day Question: How are co-dominance and incomplete dominance similar? Different? Answer: … … … • 3’s Turn In: • Genetics Practice Problems #1-24 • p. 320 Analyzing Data 1, 2, 4 • Who Gets the Money, opened to p. 2

  2. Unit 6 Vocab Sheet

  3. Unit 6 Vocabulary • polygenic trait- controlled by two or more genes; Ex: skin & eye color Additive effects of 2+ genes on a trait Seen when the trait varies along a continuum

  4. Polygenic: In Labradors, the “B” gene for black/brown coat color is turned off by the “E” gene!

  5. Unit 6 Vocabulary • 45. sex-linked trait- trait whose gene is located on a sex chromosome; Ex- colorblindness • Gene is usually recessive & on X chromosome • XN = normal, • Xn= colorblind • One gender will have the trait more often

  6. Colorblindness • Vision in Men:

  7. Unit 6 Vocabulary • 45. sex-linked trait- trait whose gene is located on a sex chromosome; Ex- colorblindness N n XNXN XNXn N • Gene is usually recessive & on X chromosome • XN = normal, • Xn= colorblind • One gender will have the trait more often Girl, carrier Girl, normal XNY XnY Boy, colorblind Boy, normal

  8. Unit 6 Vocabulary • 42. pedigree- a diagram showing the lineage of a family for a particular trait

  9. Pedigree Example: Polydactyly

  10. Pedigree Practice: Addams Family

  11. Start Homework:- Genetics Practice Problems #25- 45- Finish Who Gets the Money- Finish Vocab Sheet- Finish Addams Family Pedigree

  12. GATTACA

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