Jeopardy! Created by Educational Technology Network. www.edtechnetwork.com 2009

Final Jeopardy! Single Gene Traits Punnett Squares Sex-linked Traits Nature Vs. Nurture Pedigrees 10 20 30 40 50 Final Jeopardy!

Write an example of a genotype Question 1 - 10 Write an example of a genotype

Examples: AA, Aa, aa (or any other letter) Answer 1 – 10 Examples: AA, Aa, aa (or any other letter)

Give an example of a phenotype Question 1 - 20 Give an example of a phenotype

Any number of physical traits. Answer 1 – 20 Any number of physical traits.

Does Person A or Person B have the recessive trait for chins? A B Question 1 - 30 Does Person A or Person B have the recessive trait for chins? A B

Answer: person B. Recessive trait: no cleft.

What are the two alleles for the earlobe gene? Question 1 - 40 What are the two alleles for the earlobe gene?

Attached and unattached. Answer 1 – 40 Attached and unattached.

Which are people more likely to have, dominant or recessive traits? Question 1 - 50 Which are people more likely to have, dominant or recessive traits?

Neither, dominant and recessive traits occur equally in a population. Answer 1 – 50 Neither, dominant and recessive traits occur equally in a population.

How would you describe the genotype Aa? Question 2 - 10 How would you describe the genotype Aa?

Answer 2 – 10 Heterozygous

Question 2 - 20 Complete the punnett square:   E e

Answer 2 – 20   E e EE Ee ee

Question 2 - 30 In this punnett square, how many genotypes are heterozygous?   E e EE Ee ee

Answer 2 – 30 Two

Question 2 - 40 If this codes for earlobes, what is the likelihood their child will have unattached earlobes?   E e EE Ee ee

Answer 2 – 40 75%

Question 2 - 50 In mice, brown bodies are the dominant trait. What is the genotype of this mouse?

Insufficient data. It could be BB or Bb. Answer 2 – 50 Insufficient data. It could be BB or Bb.

Name any sex-linked condition. Question 3 - 10 Name any sex-linked condition.

Answer 3 – 10 Hemophilia, red-green colorblind, high blood pressure, muscular dystrophy, baldness

Are sex-linked conditions dominant or recessive? Question 3 - 20 Are sex-linked conditions dominant or recessive?

Recessive. The dominant condition is always “normal” Answer 3 – 20 Recessive. The dominant condition is always “normal”

Question 3 - 30 Complete the Punnett Square.   XB Xb Y

Answer 3 – 30   XB Xb XB Xb Xb Xb Y XBY XbY

Daily Double

XB Xb XB Xb Xb Xb Y XBY XbY Does the mother have the sex-linked trait? Question 3 - 40 Does the mother have the sex-linked trait?   XB Xb XB Xb Xb Xb Y XBY XbY

Answer 3 – 40 No, but she is a carrier.

A boy is red-green colorblind. From whom did he inherit this trait? Question 3 - 50 A boy is red-green colorblind. From whom did he inherit this trait?

Answer 3 – 50 His mother

Question 4 - 10 Give an example of a trait that is influenced by both genetics and environment.

Body weight, eating disorders, asthma, cancer… Answer 4 – 10 Body weight, eating disorders, asthma, cancer…

Is having an accent inherited or environmental? Question 4 - 20 Is having an accent inherited or environmental?

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.

Question 4 - 30 Describe how a specific trait is influenced by both genes and environment.

Answer 4 – 30 Responses will vary.

Question 4 - 40 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?

Answer 4 – 40 If its carried in your genes, its genetic. But if its triggered by your environment, its environmental.

Question 4 - 50 Justify your response: How can understanding the human genome help us prevent or treat diseases?

Answer 4 – 50 Identifying genetic factors for disease can help doctors predict risks, recommend lifestyle regimens, and prescribe the safest drugs.

How many generations are in this pedigree? Question 5 - 10 How many generations are in this pedigree?

Answer 5 – 10 Three

How many males are in this family? Question 5 - 20 How many males are in this family?

Answer 5 – 20 Four

Question 5 - 30 Is the trait shown in this chart dominant or recessive?

Answer 5 – 30 Recessive

Is 1 homozygous or heterozygous? Question 5 - 40 Is 1 homozygous or heterozygous? 1

Answer 5 – 40 1. Homozygous

Is this trait sex-linked? Question 5 - 50 Is this trait sex-linked?

Answer 5 – 50 Yes. SL Traits are passed from father to daughter, making them carriers. The mother and son are both homozygous dominant.

Final Jeopardy! Topic: Pedigrees

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.

Final Jeopardy Answer