3. Color blindness is an X-linked recessive disorder in humans. XC is a normal allele. Xº is a color blind allele. A woman who is a carrier of color blindness (XX) has children with a man who is not color blind (XY). What are the chances that a male child will be colorblind? What are the chances that a child will be a carrier? a. Phenotypes of the parents: b. Genotypes of the parents: c. Gamete genotypes: d. Punnett Square: (egg) Mother: Mother: Egg: (sperm) Father: Father: Sperm : e. List all possible genotypes of offspring of these parents: 1. Which of these genotypes are heterozygous? 2. Which of these genotypes are homozygous? f. List all the possible phenotypes of offspring of these parents:
3. Color blindness is an X-linked recessive disorder in humans. XC is a normal allele. Xº is a color blind allele. A woman who is a carrier of color blindness (XX) has children with a man who is not color blind (XY). What are the chances that a male child will be colorblind? What are the chances that a child will be a carrier? a. Phenotypes of the parents: b. Genotypes of the parents: c. Gamete genotypes: d. Punnett Square: (egg) Mother: Mother: Egg: (sperm) Father: Father: Sperm : e. List all possible genotypes of offspring of these parents: 1. Which of these genotypes are heterozygous? 2. Which of these genotypes are homozygous? f. List all the possible phenotypes of offspring of these parents:
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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Transcribed Image Text:X-Linked Recessive Disorder: Color Blindness
3. Color blindness is an X-linked recessive disorder in humans. XC is a normal allele. Xº is a
color blind allele. A woman who is a carrier of color blindness (XX) has children with a
man who is not color blind (XCY). What are the chances that a male child will be colorblind?
What are the chances that a child will be a carrier?
a. Phenotypes of the parents:
b. Genotypes of the parents:
c. Gamete genotypes:
d. Punnett Square:
(egg)
Mother:
Mother:
Egg:
(sperm)
Father:
g. What are the chances a boy will be colorblind?
Report data as a percentage:
Father:
Sperm :
e. List all possible genotypes of offspring of these parents:
1. Which of these genotypes are heterozygous?
2. Which of these genotypes are homozygous?
f. List all the possible phenotypes of offspring of these parents:
as a fraction:
h. What are the chances that a girl will be a carrier of colorblindness?
Report data as a percentage:
as a fraction:
Transcribed Image Text:Table 3: Expected Probabilities for Cystic Fibrosis
Genotype Genotype
Genotype
probability as a
percent
CC
Cc
сс
CC
Cc
probability as a
fraction
i.
сс
Table 4. Data for Cystic Fibrosis
Genotype Total #
(Total #
h. What are the chances a child will have cystic fibrosis?
Report data as a percentage:
as a fraction:
We are going to test the ratio of offspring given the parental genotypes above for Cystic Fibrosis
by using a coin toss. Obtain the appropriate coins for the mother and father. Follow the previous
coin toss procedure.
Phenotype
What are the chances a child will be a carrier of cystic fibrosis?
Report data as a percentage:
as a fraction:
Phenotype
probability as a
fraction
genotype
after 24
tosses
genotype
/24) x
100
in %
Phenotype
probability as
a percent
Probability Phenotype Total #
from
Punnett
Square in
%
phenotype
after 24
tosses
(total #
phenotype
/24) X
100
in %
Probability
from
Punnett
Square in
%
Did your results from the coin tosses support your prediction from the Punnett Square? Specify
the data you used.
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