1. Slide 1 of 20 Copyright Pearson Prentice Hall “For you have been born again, not of perishable seed, but of imperishable, through the living and enduring word of God…” -1 Peter 1:23

2. Mendel’s Work (Sec 3.1) Objectives 1. What were the results of Mendel’s experiments or crosses? 2. What controls the inheritance of traits in organisms Key Terms Heredity Trait Genetics Fertilization Purebred Gene Alleles Dominant Allele Recessive Allele Hybrid 2

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4. Slide 4 of 20 Copyright Pearson Prentice Hall KittenMother CatFather cat Observation about coat color and pattern - Inference about coat color and pattern --

5. Slide 5 of 20 Copyright Pearson Prentice Hall http://science.discovery. com/videos/100- greatest-discoveries- shorts-genetics.html http://science.discovery. com/videos/100- greatest-discoveries- shorts-genetics.htmlMendel http://vimeo.com/28957658 http://vimeo.com/28957658 18 things to know about genetics http://www.youtube.com/watch?v =oVl8OH_7QSc http://www.youtube.com/watch?v =BTicXXxzQA4 Cell song http://www.neok12.com/Cell- Division.htm Meiosis etc videos

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12. Probability and Heredity (Sec 3.2) Objective 1. What is probability and how does it help explain the results of genetic crosses 2. What is meant by genotype and phenotype? 3. What is Codominance? Key Terms Probability Punnett square Phenotype Genotype Homozygous Heterozygous Codominance 12 Monday 11.14.11 Homework -Decorate pet -Outline Sec 3-3 (The Cell and Inheritance))

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20. The Cell and inheritance (Sec 3.3) Objective 1. What role do chromosomes play in inheritance 2. What events occur during meiosis? 3. What is the relationship between chromosomes and genes? Key Terms Meiosis 20 Homework -Outline Sec 3-4 (DNA connection)

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28. Exit Slip What is Meiosis? http://vimeo.com/22416575 5.50-12 28

29. The DNA connection (Sec 3.4) Objective 1.What forms the genetic code? 2.How do cells produce protein? 3.How can mutations affect an organism? Key Terms Messenger RNA Transfer RNA 29

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34. Slide 34 of 20 8-1 Energy and Life Copyright Pearson Prentice Hall -messenger RNA: copies the coded message from DNA in the nucleus, and carries message to ribosome. -transfer RNA: Carries amino acids to the ribosomes and adds them to the growing protein.

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39. Slide 39 of 20 8-1 Energy and Life Copyright Pearson Prentice Hall http://www.phschool.com/atschool/phsciexp/active_art/protein_synthesis/index.html

40. Slide 40 of 20 8-1 Energy and Life Copyright Pearson Prentice Hall http://vimeo.com/6812276

41. Slide 41 of 20 8-1 Energy and Life Copyright Pearson Prentice Hall -Translating the code -Step 1: DNA unzips. RNA strand is produced. Uracil pairs with Adenine -Step 2: mRNA leaves nucleus, attaches to ribosome, provides code, ribosome moves along mRNA. -Step 3: Molecules of tRNA attach to mRNA, tRNA reads by pairing 3 letter codes. -Step 4: protein grows longer, until a stop sign.

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45. Slide 45 of 20 8-1 Energy and Life Copyright Pearson Prentice Hall -Mutations -Mutations can cause a cell to produce an incorrect protein during protein synthesis. -As a result, the organism’s trait of phenotype, may be different from what it normally would have been. -Mutation in a body cell vs. sex cell. -Single base substituted or deleted. -Two many or two few chromosome -Some harmful, helpful, or neither.

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48. Exit Ticket Explain protein synthesis 48 Thursday 11.17.11 Homework -Pet punnett square -Chapter 3 worksheet