Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Chapter 20, Problem 1CT
If a couple has six boys, what is the probability that a seventh child will be a girl?
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If a women has 5 children, all of which are girl…what is the probability that the 6th child will also be a girl?
a)A husband and wife have four daughters. What is the probability that their fifth child will also be a girl?
b) Six children are born on the same day. What is the probability that three will be boys and three will be girls?
If an albino woman married a normal man, one of whose parents was albino, what would be the chances of their first child being albino?
Chapter 20 Solutions
Human Biology (MindTap Course List)
Ch. 20 - Prob. 1RQCh. 20 - What is a carrier of a genetic trait?Ch. 20 - What evidence indicates that a trait is coded by a...Ch. 20 - Prob. 4RQCh. 20 - Explain what nondisjunction is, and give two...Ch. 20 - _______ segregate during ______. a. Homologues;...Ch. 20 - Prob. 2SQCh. 20 - Genes on the same chromosome tend to stay together...Ch. 20 - Prob. 4SQCh. 20 - A chromosomes structure can be altered by _______....
Ch. 20 - Nondisjunction can be caused by ________. a....Ch. 20 - A gamete affected by nondisjunction could have...Ch. 20 - Genetic disorders can be caused by __________. a....Ch. 20 - A person who is a carrier for a genetic trait...Ch. 20 - Prob. 10SQCh. 20 - If a couple has six boys, what is the probability...Ch. 20 - Human sex chromosomes are XX for females and XY...Ch. 20 - People with Down syndrome have an extra copy of...Ch. 20 - Prob. 4CTCh. 20 - Prob. 5CTCh. 20 - About 4 percent of people of Northern European...Ch. 20 - The following pedigree shows the pattern of...
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- Assume that the ratio of females to males is 1:1. A couple already has two daughters and no sons. If they plan to have a total of six children, what is the probability that they will have four more girls? (a) (b) (c) 116 (d) 132 (e) 164arrow_forwardWhat is the importance of the comparison of traits between adopted and natural children in determining heritability?arrow_forwardA couple (Aa x Aa) decides to have a child, what is the probability that their first child is female and has an Aa genotype?arrow_forward
- Can you eliminate either of the two fathers and make a determination about the child's paternity? Explain why or why not.arrow_forwardA man and a woman got married and decided to have 7 children. a. What is the probability that they will have 4 girls and 3 boys? b. What is the probability that all children will be boys? c. What is the probability that all will be girls?arrow_forwardIn a family of seven children, a.what is the probability of having 4 boys and 3 girls? b.1 boy and 6 girls? c. All boys?arrow_forward
- If couple #1 had another son, what is the probability that the son is colorblind?arrow_forwardA 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? what fraction of the couple's subsequent children would be expected to have straight thumbs?arrow_forwardWhich female could be the mother of the child and why? Which male could be the father of the child and why?arrow_forward
- What is the probability of this couple having a child who is colour blind?arrow_forwardWhat would be the expected phenotypes and genotypes of the children when a color blind man marries a normal woman?arrow_forwardWhat is the probability of 1) Having an affected daughter? 2) having an affected son?arrow_forward
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