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Jeopardy! Created by Educational Technology Network
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Final Jeopardy! Single Gene Traits Punnett Squares Sex-linked Traits
Nature Vs. Nurture Pedigrees 10 20 30 40 50 Final Jeopardy!
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Write an example of a genotype
Question Write an example of a genotype
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Examples: AA, Aa, aa (or any other letter)
Answer 1 – 10 Examples: AA, Aa, aa (or any other letter)
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Give an example of a phenotype
Question Give an example of a phenotype
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Any number of physical traits.
Answer 1 – 20 Any number of physical traits.
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Does Person A or Person B have the recessive trait for chins? A B
Question Does Person A or Person B have the recessive trait for chins? A B
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Answer: person B. Recessive trait: no cleft.
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What are the two alleles for the earlobe gene?
Question What are the two alleles for the earlobe gene?
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Attached and unattached.
Answer 1 – 40 Attached and unattached.
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Which are people more likely to have, dominant or recessive traits?
Question Which are people more likely to have, dominant or recessive traits?
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Neither, dominant and recessive traits occur equally in a population.
Answer 1 – 50 Neither, dominant and recessive traits occur equally in a population.
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How would you describe the genotype Aa?
Question How would you describe the genotype Aa?
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Answer 2 – 10 Heterozygous
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Question Complete the punnett square: E e
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Answer 2 – 20 E e EE Ee ee
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Question In this punnett square, how many genotypes are heterozygous? E e EE Ee ee
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Answer 2 – 30 Two
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Question If this codes for earlobes, what is the likelihood their child will have unattached earlobes? E e EE Ee ee
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Answer 2 – 40 75%
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Question In mice, brown bodies are the dominant trait. What is the genotype of this mouse?
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Insufficient data. It could be BB or Bb.
Answer 2 – 50 Insufficient data. It could be BB or Bb.
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Name any sex-linked condition.
Question Name any sex-linked condition.
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Answer 3 – 10 Hemophilia, red-green colorblind, high blood pressure, muscular dystrophy, baldness
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Are sex-linked conditions dominant or recessive?
Question Are sex-linked conditions dominant or recessive?
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Recessive. The dominant condition is always “normal”
Answer 3 – 20 Recessive. The dominant condition is always “normal”
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Question Complete the Punnett Square. XB Xb Y
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Answer 3 – 30 XB Xb XB Xb Xb Xb Y XBY XbY
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Daily Double
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XB Xb XB Xb Xb Xb Y XBY XbY Does the mother have the sex-linked trait?
Question Does the mother have the sex-linked trait? XB Xb XB Xb Xb Xb Y XBY XbY
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Answer 3 – 40 No, but she is a carrier.
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A boy is red-green colorblind. From whom did he inherit this trait?
Question A boy is red-green colorblind. From whom did he inherit this trait?
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Answer 3 – 50 His mother
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Question Give an example of a trait that is influenced by both genetics and environment.
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Body weight, eating disorders, asthma, cancer…
Answer 4 – 10 Body weight, eating disorders, asthma, cancer…
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Is having an accent inherited or environmental?
Question Is having an accent inherited or environmental?
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Environmental. Accents are acquired, not coded in the genetic make up.
Answer 4 – 20 Environmental. Accents are acquired, not coded in the genetic make up.
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Question Describe how a specific trait is influenced by both genes and environment.
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Answer 4 – 30 Responses will vary.
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Question Justify your response: Some people carry the “colon cancer” gene in every cell. But colon cancer is triggered by toxins made by bacteria in the gut. Is this trait genetic or environmental?
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Answer 4 – 40 If its carried in your genes, its genetic. But if its triggered by your environment, its environmental.
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Question Justify your response: How can understanding the human genome help us prevent or treat diseases?
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Answer 4 – 50 Identifying genetic factors for disease can help doctors predict risks, recommend lifestyle regimens, and prescribe the safest drugs.
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How many generations are in this pedigree?
Question How many generations are in this pedigree?
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Answer 5 – 10 Three
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How many males are in this family?
Question How many males are in this family?
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Answer 5 – 20 Four
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Question Is the trait shown in this chart dominant or recessive?
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Answer 5 – 30 Recessive
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Is 1 homozygous or heterozygous?
Question Is 1 homozygous or heterozygous? 1
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Answer 5 – 40 1. Homozygous
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Is this trait sex-linked?
Question Is this trait sex-linked?
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Answer 5 – 50 Yes. SL Traits are passed from father to daughter, making them carriers. The mother and son are both homozygous dominant.
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Final Jeopardy! Topic: Pedigrees
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Final Jeopardy Question
This pedigree from your study guide is wrong. Fix the chart so that it is possible for the three affected people to have the sex-linked trait.
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Final Jeopardy Answer
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