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2. In humans, brown eyes are usually dominant over blue eyes. Suppose a blue-eyed man marries a brown-eyed woman whose father was blue eyed. What proportion of their children would you predict would have blue eyes? 3. A brown-eyed man whose father was brown eyed and whose mother was blue eyed married a blue eyed woman whose father and mother were both brown-eyed. The couple has a blue-eyed son. For which of the individuals mentioned can you be sure of the genotypes? What are their genotypes? What genotypes are possible for the others?

2. In humans, brown eyes are usually dominant over blue eyes. Suppose a blue-eyed man marries a brown-eyed woman whose father was blue eyed. What proportion of their children would you predict would have blue eyes? 3. A brown-eyed man whose father was brown eyed and whose mother was blue eyed married a blue eyed woman whose father and mother were both brown-eyed. The couple has a blue-eyed son. For which of the individuals mentioned can you be sure of the genotypes? What are their genotypes? What genotypes are possible for the others?

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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1:31 1 Drive For each of the problems below, please make sure to... Write a DETAILED KEY that explains all of your symbols used. Show your work on problems that ask. That means make sure that you are showing at least one Punnett square. Interpret your answer. A Punnett square alone will not suffice. Indicate which types of problems or vocabulary are difficult for you so that we can review them in discussion. Monohybrid cross: A single trait is crossed with only two variations of the allele. with 2. In humans, brown eyes are usually dominant over blue eyes. Suppose a blue-eyed man marries a brown-eyed woman whose father was blue eyed. What proportion of their children would you predict would have blue eyes? A brown-eyed man whose father was brown eyed and whose mother was blue eyed married a blue eyed woman whose father and mother were both brown-eyed. The couple has a blue-eyed son. For which of the individuals mentioned can you be sure 3. of the genotypes? What are their genotypes? What genotypes are possible for the others?
Transcribed Image Text:1:31 1 Drive For each of the problems below, please make sure to... Write a DETAILED KEY that explains all of your symbols used. Show your work on problems that ask. That means make sure that you are showing at least one Punnett square. Interpret your answer. A Punnett square alone will not suffice. Indicate which types of problems or vocabulary are difficult for you so that we can review them in discussion. Monohybrid cross: A single trait is crossed with only two variations of the allele. with 2. In humans, brown eyes are usually dominant over blue eyes. Suppose a blue-eyed man marries a brown-eyed woman whose father was blue eyed. What proportion of their children would you predict would have blue eyes? A brown-eyed man whose father was brown eyed and whose mother was blue eyed married a blue eyed woman whose father and mother were both brown-eyed. The couple has a blue-eyed son. For which of the individuals mentioned can you be sure 3. of the genotypes? What are their genotypes? What genotypes are possible for the others?
Expert Solution
Introduction:

A dominant trait only needs one allele to express, whereas a recessive trait always has to be homozygous to express itself, i.e. both copies of the gene have to be recessive.

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