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 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
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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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