Meiosis Mendel Chromosomes AP Exam Questions Do Now If you flip a coin 5 times what is the probability of getting heads all 5 times If you flip a coin and roll a die what is the probability ID: 1046378
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1. AP Biology – Ch. 13+14+15 – Meiosis + Mendel + ChromosomesAP Exam Questions
2. Do NowIf you flip a coin 5 times, what is the probability of getting heads all 5 times?If you flip a coin and roll a die, what is the probability of getting tails and a 6?If you roll a die, what is the probability of getting either a 1 or an even number?
3. Do NowIf you flip a coin 5 times, what is the probability of getting heads all 5 times? (1/2)x(1/2)x(1/2)x(1/2)x(1/2) = 1/32If you flip a coin and roll a die, what is the probability of getting tails and a 6?(1/2)x(1/6) = 1/12If you roll a die, what is the probability of getting either a 1 or an even number?(1/6)+(3/6) = 4/6 = 2/3
4. OverviewToday, we’ll be answering and analyzing real AP biology multiple choice exam questions on Meiosis (Ch. 13.1-13.4), Mendel (Ch. 14.1-14.2), and Chromosomes (Ch. 15.1-15.5).I will walk us through questions 1-3.We will complete questions 4-8 as a class in groups.You will complete questions 9-15 independently using the strategies learned today.
5. Bloom’s taxonomyLevels of QuestionsLevel 1: Knowledge/comprehensionLevel 2: Application/analysisLevel 3: Synthesis/evaluation
6. Question 1Which of the following is a true statement about sexual vs. asexual reproduction?A) Asexual reproduction, but not sexual reproduction, is characteristic of plants and fungi.B) In sexual reproduction, individuals transmit half of their nuclear genes to each of their offspring.C) In asexual reproduction, offspring are produced by fertilization without meiosis.D) Asexual reproduction produces only haploid offspring.Bloom's Taxonomy: Knowledge/ComprehensionSection: 13.2
7. Question 1Which of the following is a true statement about sexual vs. asexual reproduction?A) Asexual reproduction, but not sexual reproduction, is characteristic of plants and fungi.B) In sexual reproduction, individuals transmit half of their nuclear genes to each of their offspring.C) In asexual reproduction, offspring are produced by fertilization without meiosis.D) Asexual reproduction produces only haploid offspring.Bloom's Taxonomy: Knowledge/ComprehensionSection: 13.2
8. Question 2Gray seed color in peas is dominant to white. Assume that Mendel conducted a series of experiments where plants with gray seeds were crossed among themselves, and the following progeny were produced: 302 gray and 98 white. (a) What is the most probable genotype of each parent? (b) Based on your answer in (a) above, what genotypic and phenotypic ratios are expected in these progeny? (Assume the following symbols: G = gray and g = white.)A) (a) GG × gg; (b) genotypic = 3:1, phenotypic = 1:2:1B) (a) Gg × Gg; (b) genotypic = 1:2:1, phenotypic = 3:1C) (a) GG × Gg; (b) genotypic = 1:2:1, phenotypic = 2:1D) (a) gg × Gg; (b) genotypic = 1:2, phenotypic = 3:1Bloom's Taxonomy: Application/AnalysisSection: 14.1
9. Question 2Gray seed color in peas is dominant to white. Assume that Mendel conducted a series of experiments where plants with gray seeds were crossed among themselves, and the following progeny were produced: 302 gray and 98 white. (a) What is the most probable genotype of each parent? (b) Based on your answer in (a) above, what genotypic and phenotypic ratios are expected in these progeny? (Assume the following symbols: G = gray and g = white.)A) (a) GG × gg; (b) genotypic = 3:1, phenotypic = 1:2:1B) (a) Gg × Gg; (b) genotypic = 1:2:1, phenotypic = 3:1C) (a) GG × Gg; (b) genotypic = 1:2:1, phenotypic = 2:1D) (a) gg × Gg; (b) genotypic = 1:2, phenotypic = 3:1Answer: BBloom's Taxonomy: Application/AnalysisSection: 14.1
10. Question 3In cats, black fur color is caused by an X-linked allele; the other allele at this locus causes orange color. The heterozygote is tortoiseshell. What kinds of offspring would you expect from the cross of a black female and an orange male?A) tortoiseshell females; tortoiseshell malesB) black females; orange malesC) tortoiseshell females; black malesD) orange females; black malesBloom's Taxonomy: Synthesis/EvaluationSection: 15.2
11. Question 3In cats, black fur color is caused by an X-linked allele; the other allele at this locus causes orange color. The heterozygote is tortoiseshell. What kinds of offspring would you expect from the cross of a black female and an orange male?A) tortoiseshell females; tortoiseshell malesB) black females; orange malesC) tortoiseshell females; black malesD) orange females; black malesBloom's Taxonomy: Synthesis/EvaluationSection: 15.2
12. For the next 5 questions…Work in your groups to come up with ONE consensus answerBe prepared to explain your reasoning! (one “volunteer”)
13. Question 4A given organism has 46 chromosomes in its karyotype. Therefore, we can conclude that it must _____.A) be humanB) be an animalC) reproduce sexuallyD) have gametes with 23 chromosomesBloom's Taxonomy: Application/AnalysisSection: 13.2
14. Question 4A given organism has 46 chromosomes in its karyotype. Therefore, we can conclude that it must _____.A) be humanB) be an animalC) reproduce sexuallyD) have gametes with 23 chromosomesBloom's Taxonomy: Application/AnalysisSection: 13.2
15. Question 5Given the parents AABBCc × AabbCc, assume simple dominance for each trait and independent assortment. What proportion of the progeny will be expected to phenotypically resemble the first parent with genotype AABBCc?A) 1/4B) 3/4C) 3/8D) 1Bloom's Taxonomy: Application/AnalysisSection: 14.2
16. Question 5Given the parents AABBCc × AabbCc, assume simple dominance for each trait and independent assortment. What proportion of the progeny will be expected to phenotypically resemble the first parent with genotype AABBCc?A) 1/4B) 3/4C) 3/8D) 1Bloom's Taxonomy: Application/AnalysisSection: 14.2
17. Question 6Phenylketonuria is an inherited disease caused by a recessive autosomal allele. If a woman and her husband are both carriers, what is the probability that their first child will be a phenotypically normal girl?A) 1/4B) 1/16C) 3/16D) 3/8Bloom's Taxonomy: Application/AnalysisSection: 14.2
18. Question 6Phenylketonuria is an inherited disease caused by a recessive autosomal allele. If a woman and her husband are both carriers, what is the probability that their first child will be a phenotypically normal girl?A) 1/4B) 1/16C) 3/16D) 3/8Bloom's Taxonomy: Application/AnalysisSection: 14.2
19. Question 7A man who is an achondroplastic dwarf with normal vision marries a color-blind woman of normal height. The man's father was six feet tall, and both the woman's parents were of average height. Achondroplastic dwarfism is autosomal dominant, and red-green color blindness is X-linked recessive. How many of their daughters might be expected to be color-blind dwarfs?A) noneB) halfC) one out of fourD) three out of fourBloom's Taxonomy: Application/AnalysisSection: 15.2
20. Question 7A man who is an achondroplastic dwarf with normal vision marries a color-blind woman of normal height. The man's father was six feet tall, and both the woman's parents were of average height. Achondroplastic dwarfism is autosomal dominant, and red-green color blindness is X-linked recessive. How many of their daughters might be expected to be color-blind dwarfs?A) noneB) halfC) one out of fourD) three out of fourBloom's Taxonomy: Application/AnalysisSection: 15.2
21. Question 8Glucose-6-phosphate dehydrogenase deficiency (G6PD) is inherited as a recessive allele of an X-linked gene in humans. A woman whose father suffered from G6PD marries a normal man. (a) What proportion of their sons is expected to be G6PD? (b) If the husband was not normal but was G6PD deficient, would you change your answer in part (a)?A) (a) 100%; (b) yesB) (a) 1/2; (b) yesC) (a) 1/2; (b) noD) (a) zero; (b) noBloom's Taxonomy: Application/AnalysisSection: 15.2
22. Question 8Glucose-6-phosphate dehydrogenase deficiency (G6PD) is inherited as a recessive allele of an X-linked gene in humans. A woman whose father suffered from G6PD marries a normal man. (a) What proportion of their sons is expected to be G6PD? (b) If the husband was not normal but was G6PD deficient, would you change your answer in part (a)?A) (a) 100%; (b) yesB) (a) 1/2; (b) yesC) (a) 1/2; (b) noD) (a) zero; (b) noBloom's Taxonomy: Application/AnalysisSection: 15.2
23. Questions 9-20Independently complete these questions. Be sure to use the strategies we’ve discussed!
24. Questions 9-20 Answers9. B10. A11. A12. B13. B14. C15. C16. A 17. D18. A19. D20. D
25. Exit TicketIn groups, come up with your own multiple choice question/answer from any topic covered thus far.Be sure to appropriately classify it using Bloom’s taxonomy. Level 1: Knowledge/comprehensionLevel 2: Application/analysisLevel 3: Synthesis/evaluation