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Genetics Test Prep Quiz

Genetics Test Prep Quiz. Rules. Each student starts with 100 points. You can bet as much as little as possible on each question based on what you think you may know about the subject. The person next to you will keep your score.

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Genetics Test Prep Quiz

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  1. Genetics Test Prep Quiz

  2. Rules • Each student starts with 100 points. • You can bet as much as little as possible on each question based on what you think you may know about the subject. • The person next to you will keep your score. • Get several pieces of extra credit paper in which to write your answers. • You can use the same piece of scratch paper multiple times. • No sharing answers. • If you are caught cheating, you will receive a zero on this quiz!

  3. Rules • Scoring: • Simply add or subtract each players wager from total. • Keep a running total. • Players must wager at least 10 points per question (but can wager more). • Over 200 points = A • 150-199 points = B • 100-149 points = C • 50-99 points = D • Under 50 points = F • If you run out of point to bet with, you are done!

  4. Example Question • Category: Genetic Terms • Question: What to we call alternative forms of the same gene? • Answer: Alleles

  5. Question #1 • Category: Gregor Mendel • Question: How many traits (total) did Mendel observe in his study of pea plants • Answer: 7

  6. Question #2 • Category: Mendelian Terms • Question:The hybrid offspring of the P generation are called the __________. • Answer: F1 Generation

  7. Question #3 • Category: Mendelian Genetics • Question: If you cross a true breeding purple flowered pea plant with a true breeding white flowered plant to produce an F1 generation. You then allow the F1 to self-pollinate. Assuming the inheritance pattern is simple dominant/recessive, what will be the phenotypic ratio of the F2? • Answer: 3 purple: 1 white

  8. Question #4 • Category: Genetics Terms • Question: The specific location of a gene on a chromosome is called a ________. • Answer: Locus

  9. Question #5 • Category: Genetics Terms • Question: If an organism has a genotype (Aa) for a specific trait, it is said to be ___________ for that trait. • Answer: Heterozygous

  10. Question #6 • Category: Mendels experiments • Question: Mendel knew that by looking at a dominant phenotype, you could not tell what the genotype was of that organism by looking at the dominant phenotype (TT or Tt). He came up with the Test Cross to determine the genotype of his pea plants with dominant characteristics. He crossed pea plants with dominant phenotypes with peas plants with this genotype to determine the genotype of the dominant plants? • Answer: Homozygous recessive (tt)

  11. Question #7 • Category: Dihybrid Crosses • Question: If you perform a dihybrid cross and get a 9:3:3:1 phenotypic ratio in the next generation, what is the genotype of each parent? • Answer: Heterozygous for both traits

  12. Question #8 • Category: Probability • Question: The _________ rule states that the probability that two or more independent events will occur together is the product of their individual probabilities (the rule of “and”) • Answer: Multiplication

  13. Question #9 • Category: Probability • Question: If you cross two individuals that are heterozygous for one trait. What is the probability that there offspring will be heterozygous for that trait as well? • Answer: ½ or 50%

  14. Question #10 • Category: Inheritance Patterns • Question: If you cross a true breeding red flowered plant with a true breeding white flowered plant and all of the F1 comes out pink. You then allow all of the F1 to self-pollinate and you get a phenotypic ratio in the F2 of (1 Red: 2 Pink: 1 White). What is the inheritance pattern? • Answer: Incomplete dominance

  15. Question #11 • Category: ABO Blood typing • Question: In humans, type A blood is ________ to type B blood, creating the AB blood type. • Answer: Co-dominant

  16. Question #12 • Category: ABO Blood Typing • Question: If a women with type A blood has a child with type B blood. What his her genotype and what are the possibilities of the fathers genotype? • Answer: Mother = IAi Father = IBIB or IBi or IAIB

  17. Question #13 • Category: Genetic Terms • Question: In________, a gene at one locus alters the phenotypic expression of a gene at a second locus. This occurs in coat colors in mammals. • Answer: Epistasis

  18. Question #14 • Category: Genetics Terms • Question: Quantitative variation usually indicates _______________, an additive effect of two or more genes on a single phenotype. An example is human skin coloring. • Answer: Polygenic Inheritance

  19. Question #15 • Category: Genetics Terms • Question: A ________ is a family tree that describes the interrelationships of parents and children across generations • Answer: Pedigree

  20. Question #16 • Category: Genetics Terms • Question: __________are heterozygous individuals who carry the recessive allele but are phenotypically normal (i.e., pigmented) • Answer: Carriers

  21. Question #17 • Category: Genetics Testing • Question:In ________, the liquid that bathes the fetus is removed and tested for genetic disorders. • Answer: Amniocentesis

  22. Adding it up • Add up your partners final total on a clean piece of extra credit paper and turn it in to me with their name on it. • Make sure you show them the score. • Grading (Again) • Over 200 points = A • 150-199 points = B • 100-149 points = C • 50-99 points = D • Under 50 points = F

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