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1/9 & 1/10 - 7 th Grade Agenda

1/9 & 1/10 - 7 th Grade Agenda. Learning Objective: Learn about Human Traits Collect HW Genetic Activities Worksheet Passback HW & Grade Printout Video: Hybrid Animals Text Book Reading: 192 – 198 HW: Reading & Note taking p. 101 – 104 HW: Signed Grade Printout

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1/9 & 1/10 - 7 th Grade Agenda

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  1. 1/9 & 1/10 - 7th Grade Agenda Learning Objective: Learn about Human Traits Collect HW Genetic Activities Worksheet Passback HW & Grade Printout Video: Hybrid Animals Text Book Reading: 192 – 198 HW: Reading & Note taking p. 101 – 104 HW: Signed Grade Printout Reminder HW: Science Fair Background due 1/14 & 1/15 (10 Points) Last day to turn in late work for the semester: 1/14 & 1/15

  2. Last Day to Turn in Latework for this Semester 1/14 & 1/15

  3. Reflection • Prompt: Write 2 differences between DNA and RNA

  4. DNA vs RNA DNA RNA • Master Copy • Two Strands • Never leave nucleus • Copy • One Strand • Leaves the nucleus

  5. Mutation

  6. Mutation nge • Mutation means “cha_____” in Latin • Mutation can cause a cell to produce an incorrect pro____ during protein synthesis. • As a result, the organism’s trait, or pheno____, may be different from what it normally would have been. tein type

  7. Hybrid Animals Donkey Horse • All male and most female mules are infertile • More intelligent than a donkey • More endurance than a horse • Requires less food than a horse Mule

  8. Ligers = Male Lion + Female Tiger

  9. More Ligers

  10. Tigon = Male Tiger + Female Lion

  11. Zorse = Male Zebra + Female Horse

  12. Wholphin = Dolphin + False Killer Whale False Killer Whale Wholphin Dolphin

  13. Wolfdog = Wolf + dog

  14. House Cat + African Cat African Cat

  15. Tangelo = Tangerine + Grape Fruit

  16. Some human traits are controlled by a single gene that has more than two alleles • Blood type is controlled by three Alleles • What are the major human blood types? • A, B, AB & O • Which human blood type is a universal donor? • Blood Type: O

  17. Many human traits are controlled by many genes • Four genes control height in humans • Skin, eye and hair color are controlled by multiple genes

  18. What are the Female Sex Chromosomes? • XX

  19. What are the Male Sex Chromosomes? • XY • Because there is some missing genetic information in the “Y” chromosomes, Males are more likely to get a sex-linked trait

  20. Who determines whether the child is a boy or a girl ? • Father

  21. How many pairs of chromosomes do humans have? • 23

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