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Genes- Traits- Cells-

Vocabulary Due 1/29/18 0r 1/30/18 – Define, use the word in a Scientific Sentence, draw a picture & color. Genes- Traits- Cells-. DNA- Chromosomes- Heredity. Genetics. 1/18/2018 Pg. 4. Genetics. Genetics-the scientific study of heredity

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Genes- Traits- Cells-

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  1. Vocabulary Due 1/29/18 0r 1/30/18 –Define, use the word in a Scientific Sentence, draw a picture & color. • Genes- • Traits- • Cells- DNA- Chromosomes- Heredity

  2. Genetics 1/18/2018 Pg. 4

  3. Genetics • Genetics-the scientific study of heredity • Gregor Mendel- He studied Pea plants to find out why they had different traits. Purebred- offspring of many generations that show the same form or trait.

  4. Inherited vs. Acquired • Inherited traits must come from a parent or other ancestor. ... Inherited traits include things such as hair color, eye color, muscle structure, bone structure, and even features like the shape of a nose. • Acquired traits- include things such as calluses on fingers, larger muscle size from exercise or from avoiding predators. Behaviors that help an organism survive would also be considered acquired characteristics most of the time

  5. Heredity The passing of traits from parent to offspring https://www.youtube.com/watch?v=6bWssRDAHW4

  6. Earlobes Detached Attached

  7. Tongue

  8. Dimples

  9. Handedness • Still debate whether left handedness is a recessive trait. • 10% people left handed, 20% ambidextrous, 70% right handed.

  10. Freckles

  11. Naturally Curly Hair

  12. Cleft chin

  13. Cross thumbs

  14. See the colors red and green

  15. Hairline peaked straight

  16. F1 and F2 • P= parental generation • F1= filial (daughter) generation • F2= second “daughter” generation

  17. Punnett Squares Dominant allele-the one trait that always shows up in organisms when the allele is present (W). Recessive allele-is the hidden trait when ever the dominant allele is present (w).

  18. Ticket out • The passage of traits from one generation to another is called? What are the two kinds of alleles?

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