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:5. A woman with type AB blood marries a man with type homozygous type B blood. What are the phenotype
and genotype ratios of the offspring?
6. Hemophilia is a sex linked recessive trait. If a carrier woman marries a normal man. The couple gives birth
to a boy. What are the chances that this child will have hemophilia? Make sure use XX or XY here)
7. The height of a certain plant is a result of polygenic inheritance involving two pairs of genes. Draw a
Punnett square to show the result of a cross between a tall (AABB) plant and a short (aabbi. What is the
phenotype ratio?
8. What is a mutation?
9. What is sickle cell anemia?
10. What is hemophilia?
11. What is a pedigree?
12. Draw a pedigree to represent the following. Shaded symbols should represent individuals with
hemophilia:
A man with hemophilia marries a normal woman. They have 3 children, two normal boys and a girl who is
a carrier. The girl marries a normal man and they have two boys and two girls. One of the girls is a carrier
for hemophilia. One of the boys is a hemophiliac. The other two children are normal.
13. PEDIGREE PRACTICE
In the following human pedigrees, the filled symbols represent the affected individuals. You may assume
that the disease allele is rare and therefore individuals marrying into the family are unlikely to have
defective allele.
a)
i) What is the most likely mode of inheritance for this pedigree?
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