CAMPBELL BIOLOGY-W/TEST PREP...>NASTA<
11th Edition
ISBN: 9780134588988
Author: Urry
Publisher: PEARSON
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Chapter 14.4, Problem 3CC
Summary Introduction
To determine: The genotype of “Person J” who has polydactyly.
Concept introduction:
Extra digits can be present in either fingers or toes. It is a physical anomaly that is known as polydactyly. It is an autosomal dominant trait.
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Joan was born with six toes on each foot, a dominanttrait called polydactyly. Two of her five siblings and hermother, but not her father, also have extra digits. Whatis Joan’s genotype for the number-of-digits character?Explain your answer. Use D and d to symbolize the allelesfor this character.
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Joan was born with 6 toes on each foot, a dominant trait called polydactyly. Two of her 5 siblings and her mother but not her father also have extra digits. What is Joan’s genotype for the number of digits character? Explain your choice. Use D and d symbolize the alleles for this character.
Chapter 14 Solutions
CAMPBELL BIOLOGY-W/TEST PREP...>NASTA<
Ch. 14.1 - DRAW IT Pea plants heterozygous for flower...Ch. 14.1 - WHAT IF? List all gametes that could be made by a...Ch. 14.1 - MAKE CONNECTIONS In some pea plant crosses, the...Ch. 14.2 - Prob. 1CCCh. 14.2 - Two organisms, with genotypcs BbDD and BBDd, are...Ch. 14.2 - WHAT IF? Three characters (flower color, seed...Ch. 14.3 - What two properties, one structural and one...Ch. 14.3 - If a man with type AB blood marries a woman with...Ch. 14.3 - WHAT IF? A rooster with gray feathers and a hen...Ch. 14.4 - Beth and Tom each have a sibling with cystic...
Ch. 14.4 - Prob. 2CCCh. 14.4 - Prob. 3CCCh. 14.4 - MAKE CONNECTIONS In Table 14.1, note the...Ch. 14 - When Mendel did crosses of true-breeding purple-...Ch. 14 - DRAW IT Redraw the Punnett Square on The right...Ch. 14 - Inheritance patterns are often more complex than...Ch. 14 - Both members of a couple know that they are...Ch. 14 - DRAW IT Two pea plants heterozygous for the...Ch. 14 - A man with type A blood marries a woman with type...Ch. 14 - A man has six fingers on each hand and six toes on...Ch. 14 - DRAW IT A pea plant heterozygous for inflated pods...Ch. 14 - Flower position, stem length, and seed shape are...Ch. 14 - Hemochromatosis is an inherited disease caused by...Ch. 14 - The genotype of F1, individuals in a tetrahybrid...Ch. 14 - What is the probability that each of thc following...Ch. 14 - Prob. 9TYUCh. 14 - Prob. 10TYUCh. 14 - In tigers, a recessive allele of a particular gene...Ch. 14 - In maize (com) plants,a dominant allele I inhibits...Ch. 14 - The pedigree belowtraces the inheritance of...Ch. 14 - Imagine that you are a genetic counselor, and a...Ch. 14 - EVOLUTION CONNECTION Over the past half century,...Ch. 14 - SCIENTIFIC INQUIRY You are handed a mystery pea...Ch. 14 - Prob. 17TYUCh. 14 - SYNTHESIZE YOUR KNOWLEDGE Just for fun, imagine...
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- Why Geneticists Use a Variety of Symbols for Alleles ? What are those ?arrow_forwardJoan was born with six toes on each foot, a dominant trait called polydactyly. Two of her five siblings and her mother, but not her father, also has extra digits. What is Joan's genotype for the number-of-digits character?arrow_forwardIf you have straight hair but all of your family members have wavy and curly hair, what can you conclude about your genotype?arrow_forward
- If a father has Marfan syndrome, but the mother does not, and he passes the disease down to only SOME of his offspring, but not all, what would the Punnett square look like? Why is this the father's genotype if only some of his children had Marfan syndrome?arrow_forwardIn genetics, what does a genotype of Hh signify? Choose 1 answer: Choose 1 answer: (Choice A) A Homozygous; two dominant alleles (Choice B) B Homozygous; two recessive alleles (Choice C) C Heterozygous; one dominant allele and one recessive allele (Choice D) D Homozygous; one dominant allele and one recessive allelearrow_forwardIf a Mother's genotype is IAi and her Daughter's genotype is ii and the mother claims a man who is type B as the father... a) Is that possible? Explain. b) The accused man can prove that both of his parents are type AB. Is it possible for him to be type B? If so, what is his genotype? Explain. d) Does the answer in part c change the answer in part b? Explain.arrow_forward
- Ben, Marie, and Korra are siblings. Ben is blood type O, Ana is blood type B, and Korra is type A. What could be the possible genotypes of their parents?arrow_forwardA woman with fair skin, blond hair, and blue eyes gives birth to fraternal twins; the father has dark brown skin, dark hair, and brown eyes. One twin has blond hair, brown eyes, and light skin, and the other has dark hair, brown eyes, and dark skin. What Mendelian law does this real-life case illustrate and explain what this means in terms of the inherited alleles for these genes?arrow_forwardIf eye color was controlled by the number of genes indicated, how many possible genotypes would there be? 5 genes, 10 genes? 20 genes?arrow_forward
- If I got an A from my father and a O from my mother for my genotype. How would my phenotype be expressed? What is my blood type? Explain your reasoning for both answers.arrow_forwardCan Mendelian genetics explain blood type? Why or why not?arrow_forwardCystic fibrosis is an autosomal disease that mainly affects the white population, and 1 in 20 whites are heterozygotes. Genetic testing can diagnose heterozygotes. Should a genetic screening program for cystic fibrosis be instituted? Should the federal government fund it? Should the program be voluntary or mandatory, and why?arrow_forward
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