6. Use the following cross to answer the questions: AaBbcc X AabbCC What is the probability of obtaining offspring that show all three dominant traits? Show your work. a. b. What is the probability that the offspring of this cross will show at least two dominant traits? Show your work. What is the rbab. of obtaining offspring that shown only one dominant trait? Show your v С.

6. Use the following cross to answer the questions: AaBbcc X AabbCC What is the probability of obtaining offspring that show all three dominant traits? Show your work. a. b. What is the probability that the offspring of this cross will show at least two dominant traits? Show your work. What is the rbab. of obtaining offspring that shown only one dominant trait? Show your v С.

Name: 6.Use the following cross to answer the questions:AaBbcc X AabbCCWhat
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Description: 6.Use the following cross to answer the questions:AaBbcc X AabbCCWhat is the probability of obtaining offspring that show all three dominant traits?Show your work.a.b. What is the probability that the offspring of this cross will show at least twodo

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter21: Microevolution: Genetic Changes Within Populations

Section: Chapter Questions

Problem 6TYK: Which of the following represents an example of qualitative phenotypic variation? a. the lengths of...

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4) A testcross is used to determine which of the following? a) The phenotype of an individual with a dominant genotype b) The phenotype of an individual with a recessive genotype c)The genotype of an individual with a dominant phenotype d) The genotype of an individual with a recessive phenotype
What genotypes, and in what frequencies, will be present in the offspring from the following matings? a. AABBaaBB b. AaBbaabb c. AaBBAABb d. AaBbAaBb
Which of the following represents an example of qualitative phenotypic variation? a. the lengths of peoples toes b. the body sizes of pigeons c. human ABO blood types d. the birth weights of humans e. the number of leaves on oak trees
Two pairs of traits are segregating in a cross. Two parents produce 156 progeny that fall into 4 phenotypes. The numbers of offspring in the 4 phenotypes are 89, 31, 28, and 8. What are the genotypes of the two parents?
8. In dihybrid crosses of heterozygous parents, the ratio 9:3:3:1 indicates ___. a. codominance c. incomplete dominance b. independent assortment d. three alleles for each trait For the next four questions, use the following key: a = All the offspring will exhibit the dominant trait. c = The recessive trait will show up in about 50% of the offspring. b = All the offspring will exhibit the recessive trait. d = The dominant trait will show up in about 75% of the offspring. What will be the result if: 9. Bb mates with bb? 10. BB mates with bb?
1. If the AaBBCc individual will be test-crossed, what is the probability that the resulting offspring will show all the dominant traits? a.one-sixteenth b.one-eighth c.1/32 d.one-half 2. The probability of an offspring AABbCC from the cross AaBBCc X AaBbCC is: a.1/32 b.one-sixteenth c.one-eighth d.one-half
1. If a purebred pea plant with purple flowers was crossed with a purebred pea plant with white flowers, all of the offspring's flowers ended up being purple. In this instancethe WHITE flower trait is considered to be what?
1. In a test cross, a homozygous recessive parent (mm) and a homozygous dominant parent (MM) are crossed. What is the genotypic probability of the offspring? * a. 100% Mm b. 100% mm c. 50% Mm and 50% mm d. 75% Mm and 25% mm e. 50% dominant and 50% recessive f. 100% dominant 2. After performing an experiment on monohybrid cross about the shape of the pea seeds, data were obtained from the result. There are 87 wrinkled pea seeds and 313 round seeds. Of course, round seed is dominant over wrinkled seed. What is the expected value or ratio for the wrinkled seed? * a. 21.75 b. 65.25 c. 100 d. 300 e. 400 f. None of the choices 3.After performing an experiment on monohybrid cross about the shape of the pea seeds, data were obtained from the result. There are 87 wrinkled pea seeds and 313 round seeds. Of course, round seed is dominant over wrinkled seed. What will be the computed chi-square value? * a. 9.75 b. 5.25 c. 4.75 d. 3.00 e. 2.26 f. 2.25 g. 1.69 h. 0.56 i. None of the choices 4.…
1. What are the expected proportions in the offspring? You will need to propose which trait is dominant, either the wild-type or the mutant? 2. Using the chi square calculator to analyze your results. Provide a summary that includes whether you support or reject the hypothesis.
1. Use the following information to answer the question: Parental cross is RrYy x RrYy Seed Shapes are R-round, r-wrinkled Seed colors are Y-yellow, y-green Based on the information given, what is the phenotype ratio of the offspring of this cross? 2. A pea plant heterozygous for height and seed color (TtYy) is crossed with a pea plant heterozygous for height but homozygous recessive for seed color (Ttyy). If 80 offspring are produced, how many are expected to be tall and have yellow seeds? 3. What is the chromosome theory of inheritance? How does this theory explain Mendel's results? 4. A cross between two organisms heterozygous for two different genes (AaBb) results in a 9:3:3:1 phenotype ratio among the offspring. Is the offspring's genotype ratio the same? Explain your answer.…
1. A gardener finds that some bean plants have pubescent leaves and others have glabrous leaves. a. Based on the results of the following crosses below, which trait is dominant, pubescent or glabrous? Which of the following crosses helped you determine the answer? b. Based on your answer in 1.a, determine the genotypes of the parents of each cross.
R = round, r = wrinkled, Y = yellow, y = green. Is this a monohybrid or a dihybrid cross? 3. What are the two dominant alleles? 4. What are the two recessive alleles?