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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
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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
Mendel’s Work (Sec 3.1)Objectives1. What were the results of Mendel’s experiments or crosses?2. What controls the inheritance of traits in organisms
Key Terms HeredityTraitGeneticsFertilizationPurebredGeneAllelesDominant AlleleRecessive Allele Hybrid
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Kitten Mother Cat Father cat
Observation about coat color and pattern
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Inference about coat color and pattern
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http://http://science.discovery.com/science.discovery.com/
videos/100-greatest-videos/100-greatest-discoveries-shorts-discoveries-shorts-
genetics.htmlgenetics.htmlMendelMendel
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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Probability and Heredity (Sec 3.2)
Objective1. What is probability and how does it help explain the results of
genetic crosses2. What is meant by genotype and phenotype?3. What is Codominance?
Key Terms ProbabilityPunnett squarePhenotypeGenotypeHomozygousHeterozygousCodominance
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Monday 11.14.11Homework
-Decorate pet -Outline Sec 3-3 (The Cell and Inheritance))
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The Cell and inheritance (Sec 3.3)
Objective1. What role do chromosomes play in inheritance2. What events occur during meiosis?3. What is the relationship between chromosomes
and genes?
Key Terms Meiosis
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Homework-Outline Sec 3-4 (DNA connection)
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8-1 Energy and Life
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Exit Slip
What is Meiosis?
http://vimeo.com/224165755.50-12
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The DNA connection (Sec 3.4)
Objective1. What forms the genetic code?2. How do cells produce protein?3. How can mutations affect an organism?
Key Terms Messenger RNATransfer RNA
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-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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http://www.phschool.com/atschool/phsciexp/active_art/protein_synthesis/index.html
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http://vimeo.com/6812276
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-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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-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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Exit Ticket
Explain protein synthesis
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Thursday 11.17.11Homework
-Pet punnett square-Chapter 3 worksheet
