Campbell Biology In Focus
2nd Edition
ISBN: 9780134203072
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 11, Problem 3TYU
A man has six fingers on each hand and six toes on each foot. His wife and their daughter have the normal number of digits, Remember that extra digits is a dominant trait. What fraction of this couple's children would be expected to have extra digits?
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A man has six fingers on each hand and six toes on each foot.His wife and their daughter have the normal number of digits.Remember that extra digits is a dominant trait. What fractionof this couple’s children would be expected to have extra digits?
Unattached earlobes (E) are dominant over attached earlobes (e) [Figure (a) and (b)]. If a woman with unattached earlobes and a man with attached earlobes have children, what percentage of their children has the possibility of having unattached earlobes if the mother is homozygous for the trait?
Joan 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?
Chapter 11 Solutions
Campbell Biology In Focus
Ch. 11.1 - DRAW IT Pea plants heterozygous for flower...Ch. 11.1 - List all gametes that could be made by a pea plant...Ch. 11.1 - Prob. 3CCCh. 11.2 - For any gene with a dominant allele A and...Ch. 11.2 - Two organisms, with genotypes BbDD and BBDd, are...Ch. 11.2 - Prob. 3CCCh. 11.3 - Incomplete dominance and epistasis are both terms...Ch. 11.3 - Prob. 2CCCh. 11.3 - WHAT IF? A rooster with gray feathers and a hen of...Ch. 11.4 - Beth and Tom each have a sibling with cystic...
Ch. 11.4 - MAKE CONNECTIONS In Table 11.1, note the...Ch. 11 - DRAW IT Two pea plants heterozygous for the...Ch. 11 - A man with type A blood marries a woman with type...Ch. 11 - A man has six fingers on each hand and six toes on...Ch. 11 - Prob. 4TYUCh. 11 - Flower position, stem length, and seed shape are...Ch. 11 - Prob. 6TYUCh. 11 - Prob. 7TYUCh. 11 - Prob. 8TYUCh. 11 - Prob. 9TYUCh. 11 - Prob. 10TYUCh. 11 - In tigers, a recessive allele that is pleiotropic...Ch. 11 - Prob. 12TYUCh. 11 - Imagine that you are a genetic counselor, and a...Ch. 11 - Prob. 15TYUCh. 11 - Prob. 16TYUCh. 11 - Prob. 17TYU
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- Johnny has unattached earlobes (a dominant trait) like his father, but his mother has attached earlobes. What is johnny’s genotype?arrow_forwardCaleb has a double row of eyelashes, which he inherited from his mother as a dominant trait. His maternal grandfather is the only other relative to have the trait. Veronica, a woman with normal eyelashes, falls madly in love with Caleb, and they marry. Their first child, Polly, has normal eyelashes. What chance does a child of Veronica and Caleb have of inheriting double eyelashes? please include a punnett squarearrow_forwardMr. and Mrs. Jones have six children. Three of them have attached earlobes (recessive) like their father, and the other three have free earlobes like their mother. What are the genotypes of Mr. and Mrs. Jones and of their numerous offspring?arrow_forward
- A brown-eyed man with "hitchhiker's thumb" marries a brown-eyed woman with a straight thumb. If their first child has blue eyes and hitchhiker's thumb, what are the chances that their next child will have brown eyes? In the cross from question #1, what fraction of the couple's subsequent children would be expected to have straight thumbs?arrow_forwardRonnie is convinced that baby Charlotte must be his daughter. He has heard about something called the “Bombay blood type”, and he is convinced that this phenomenon could explain how he could be Charlotte’s father. Please explain the Bombay blood type and its implications in this SPECIFIC situation, including (i) how it arises and (ii) genes involved, (iii) who would have the Bombay blood type in this scenario, and (iv) could Ronnie be Charlotte’s father, if this was present? Also (v) how could you determine whether the appropriate person actually had the Bombay blood type? Please LABEL the parts of your answer (i), (ii), (iii), (iv), and (v).arrow_forwardIndicate the nature of the trait and type of inheritance involved in each of the following situations. (a) Children who exhibit this trait have at least one parent who exhibits the same trait. (b) Children exhibit this trait even though neither parent does. (c) The trait is expressed more commonly in sons than indaughters. (d) Tongue-rolling is expressed equally in both daughters and sons.arrow_forward
- Caleb has a double row of eyelashes, which he inherited from his mother as a dominant trait. His maternal grandfather is the only other relative to have the trait. Veronica, a woman with normal eyelashes, falls madly in love with Caleb, and they marry. Their first child, Polly, has normal eyelashes. What chance does a child of Veronica and Caleb have of inheriting double eyelashes?arrow_forwardHemophilia is a sex-linked recessive trait. A male hemophiliac and phenotypically normal female have a son with hemophilia. They would like to have one more child. What is the probability of having a child without hemophilia? Explain using a Punnett square. Is it possible for a girl to be born with hemophilia? Explain.arrow_forwardA certain couple has six children – four boys (ages 2yr, 5yrs, 9yrs and 11yrs old) and two girls (ages 5yrs and 7yrs old). The oldest boy shows the symptoms of Duchenne Muscular Dystrophy (DMD). What are the chances of their other children developing the disease?arrow_forward
- Mary and Dai both have freckles (a dominant trait). Their first child, Mariko, does not have freckles. Show using a Punnett square show how this is possible. If they have two more children who DO freckles (making for one without and two with) what is the probability that the NEXT child will NOT have freckles?arrow_forwardA particular person is said to be a carrier of a genetic trait. What does this tell you about their phenotype? (a) They physically show the trait. (b) They physically show the trait more than a noncarrier would show the trait.(c) They are almost normal but show an intermediate phenotype for the trait. (d) They are completely normal and do not physically show the trait.arrow_forwardHemochromatosis is an inherited disease caused by a recessive allele. If a woman and her husband, who are both carriers, have three children,what is the probability of each of the following? (a) All three children are of normal phenotype. (b) One or more of the three children have the disease. (c) All three children have the disease. (d) At least one child is phenotypically normal.arrow_forward
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