QuizJan23 - Q1. Assuming independent assortment for all...

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1 Q1. Assuming independent assortment for all gene pairs, what is the probability that the following parents, AABbCc × AaBbCc , will produce an AaBbCc offspring? A. 1/2 B. 1/16 C. 1/8 D. 3/4 E. 9/16 Q2.Which of the following is true about dihybrid crosses? A. A dihybrid cross is one in which the parents differ in phenotype for two traits. B. Any dihybrid cross should yield a phenotype ratio of 9:3:3:1 C. Any dihybrid cross where the traits are unlinked should yield a phenotype ratio of 9:3:3:1 D. Any dihybrid cross where the traits are linked should yield a phenotype ratio of 1:2:1 E. A & B
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2 Q3. Pseudohypertrophic muscular dystrophy is a human disorder that causes gradual deterioration of the muscles. It is seen only in boys born to apparently normal parents and usually results in death in the early teens. It is likely that this gene is ______ and ______. A. recessive; sex-linked B. dominant; sex-linked C. recessive; autosomal (not sex-linked) D. codominant; sex-linked E. incompletely dominant; autosomal (not sex-linked)
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This note was uploaded on 05/23/2008 for the course BIOL 22 taught by Professor Preston during the Winter '08 term at Santa Clara.

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QuizJan23 - Q1. Assuming independent assortment for all...

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