Sickle cell anemia is a genetic blood disorder where red blood cells lose their exibility and assume

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Sickle cell anemia is a genetic blood disorder where red blood cells lose their exibility and assume an abnormal, rigid, "sickle" shape, which results in a risk of various complications. If both parents are carriers of the disease, then a child has a 25% chance of having the disease, 50% chance of being a carrier, and 25% chance of neither having the disease nor being a carrier. If two parents who are carriers of the disease have 3 children, what is the probability that

(a) Two will have the disease?

(b) None will have the disease?

(c) At least one will neither have the disease nor be a carrier?

(d) The first child with the disease will the be 3rd child?

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Related Book For  book-img-for-question

OpenIntro Statistics

ISBN: 9781943450077

4th Edition

Authors: David Diez, Mine Çetinkaya-Rundel, Christopher Barr

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