CAMPBELL BIOLOGY - BIO 121 W/ACC >IC<
8th Edition
ISBN: 9781323423967
Author: Reece
Publisher: PEARSON C
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Textbook Question
Chapter 9, Problem 5TYK
A man with type B blood and a woman who has type A blood could have children of which of the following
a. A or B only
b. AB only
c. AB or O
d. A, B, AB, or O
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. A man with a blood type AB is married to a woman with blood type A. They have natural children and one adopted child. These are the children with their blood type: Baltazar has blood type A, Melchor has blood type AB and Melchor has blood type O.
a. Who was adopted?
b. What genetic problem is this? (monohybrid, dihybrid or multiple allele)
c. Show the Punnett square.
Two parents with blood types AB and B have a child who has A blood type. What is the chance that their next child will be blood type O?
a
0
b
1/2
c
1/4
d
1
e
3/4
In man, the allele for normal color (A) is dominant to the allele for albinism (a). A normal man whose father was albino married a normal woman whose mother was albino.
a. What are the chances that their first child will be albino?
b. What are the chances their second child will be albino?
Chapter 9 Solutions
CAMPBELL BIOLOGY - BIO 121 W/ACC >IC<
Ch. 9 - Connecting the Concepts 1. Complete this concept...Ch. 9 - Whether an allele is dominant or recessive depends...Ch. 9 - Edward was found to be heterozygous (Ss) for...Ch. 9 - Two fruit flies with eyes of the usual red color...Ch. 9 - A man with type B blood and a woman who has type A...Ch. 9 - Tim and Jan both have freckles (see Module 9.9),...Ch. 9 - Both Tim and Jan (problem 6) have a widows peak...Ch. 9 - In rabbits, black hair depends on a dominant...Ch. 9 - A fruit fly with a gray body and red eyes...Ch. 9 - A series of matings shows that the recombination...
Ch. 9 - A couple are both phenotypically normal, but their...Ch. 9 - Why do more men than women have colorblindness?Ch. 9 - In fruit flies, the genes for wing shape and body...Ch. 9 - Adult height in humans is at least partially...Ch. 9 - Heather was surprised to discover she suffered...Ch. 9 - In 1981, a stray black cat with unusual rounded,...Ch. 9 - SCIENTIFIC THINKING The breakthrough that led...
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- A 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_forwardIf a man with blood type AB marries a woman with blood type B whose father was type O, what phenotypes could their children have? a. A onlyb. A, AB, B, and Oc. AB onlyd. A, AB, and Be. O onlyarrow_forwardif your phenotype is for a dominant trait, such as curly hair, then your genotype is? a: also for curly hairb: for both curly and straight hair c: a complex combination of all hair typesd: unknown, the alleles could be heterozygous or homozygousarrow_forward
- Alleles for Tay-Sachs disease are inherited in an autosomal recessive pattern. Why would two parents with a normal phenotype have a child with Tay-Sachs? a. Both parents are homozygous for a Tay-Sachs allele. b. Both parents are heterozygous for a Tay-Sachs allele. c. New mutations gave rise to Tay-Sachs in the child. d. b or carrow_forwardA recessive trait will be observed in individuals that are ________ for that trait. a. heterozygous b. homozygous or heterozygous c. homozygous d. diploidarrow_forwardA plant that is homozygous for the recessive yellow pod color is crossed with a plant that is heterozygous. Which phenotype will appear MOST in the offspring? A. There will only be plants with green pods. B. There will be more plants with green pods. C. There will be more plants with yellow pods. D. Plants with yellow and green pods will appear in equal numbers.arrow_forward
- A mother who is blood type a B has a child who is a B also. A potential father‘s blood type O. A geneticist concludes that. A. He cannot be the father B. He is very likely to be the father C. No conclusion can be drawnarrow_forwardA man with blood type A and a woman of blood type B have a baby girl of blood type O. The man sues his wife for divorce, on the grounds that it is not possible for the baby to be theirs (since the blood type is not A, B. or AB). Evaluate the lawsuit on the basis of geneticsarrow_forwardA heterozygous woman with Type-A blood, and a man with Type-O blood, have a child. What are the odds that the child will have type O-blood? A) 25% B) 75% C)100% D) 50%arrow_forward
- Hemochromatosis 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_forwardA mother wants to see her baby. But the three babies in the nursery lost their ID bracelets, using a blood test, the mother is homozygous type A and the father is type O. The babies have blood types AB, A, and O. Which is the baby of this couple? Explain your answer.arrow_forwardA cross occurs between a chicken with white feathers and a chicken with black feathers. This results with offspring with some black feathers and some white feathers. What type of inheritance is this? a. incomplete dominance b. complete dominance c. codominance d. blended dominancearrow_forward
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