In humans, brown eyes (B) are dominant over blue (b)*. A brown-eyed man marries a blue-eyed woman and they have three children, two of whom are brown-eyed and one of whom is blue-eyed. Draw the Punnett square that illustrates this marriage. What is the man's genotype? What are the genotypes of the children?

Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter6: Cytogenetics: Karyotypes And Chromosome Aberrations
Section: Chapter Questions
Problem 2QP: Given the karyotype shown at right, is this a male or a female? Normal or abnormal? What would the...
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In humans, brown eyes (B) are dominant over blue (b)*. A brown-eyed man
marries a blue-eyed
woman and they have three children, two of whom are brown-eyed and one of whom is blue-eyed.
Draw the Punnett square that illustrates this marriage. What is the man' s genotype? What are the
genotypes of the children?
(* Actually, the situation is complicated by the fact that there is more than one gene involved in eye color, but for this example, we 'll consider only
this one gene.)
Transcribed Image Text:In humans, brown eyes (B) are dominant over blue (b)*. A brown-eyed man marries a blue-eyed woman and they have three children, two of whom are brown-eyed and one of whom is blue-eyed. Draw the Punnett square that illustrates this marriage. What is the man' s genotype? What are the genotypes of the children? (* Actually, the situation is complicated by the fact that there is more than one gene involved in eye color, but for this example, we 'll consider only this one gene.)
WHAT ARE THE POSSIBLE GAMETES
THIS PARENT CAN MAKE?
Each gamete should
get one of each kind
of gene
HETEROZYGOUS
ROUND YELLOW
RrYy
Transcribed Image Text:WHAT ARE THE POSSIBLE GAMETES THIS PARENT CAN MAKE? Each gamete should get one of each kind of gene HETEROZYGOUS ROUND YELLOW RrYy
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