Sickle cell disease is an inherited blood disorder that affects red blood cells. Since it is a recessive disorder, a person inheriting two sickle cell genes will have the disease, whereas a person inheriting only one sickle cell gene will be healthy, but will carry the sickle cell trait. If both parents have the sickle cell trait, and it is equally likely whether a parent passes on the gene for sickle cell trait, determine the probability that an offspring will have the disease. an offspring will have the sickle cell trait. an offspring will have neither sickle cell anemia nor the sickle cell trait.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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Sickle cell disease is an inherited blood disorder that affects red blood cells. Since it is a recessive disorder, a person inheriting two sickle cell genes will have the disease, whereas a person inheriting only one sickle cell gene will be healthy, but will carry the sickle cell trait. If both parents have the sickle cell trait, and it is equally likely whether a parent passes on the gene for sickle cell trait, determine the probability that

  1. an offspring will have the disease.

  2. an offspring will have the sickle cell trait.

  3. an offspring will have neither sickle cell anemia nor the sickle cell trait.

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