Ch. 4 HW - Ch. 4 Practice Questions Mohanty Instructor: Dr....

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Ch. 4 Practice Questions Instructor: Dr. Sanghamitra  Mohanty MCQ: 1) With incomplete dominance, a likely ratio resulting from a monohybrid  cross would be a) 3:2:1 b) 1:2:2:4 c) 1:2:1 d) 9:3:3:1 e) 3:1 2) A condition in which one gene pair masks the expression of a  nonallelic gene pair is called a) Codominance b) Epistasis c) Dominance d) Recessiveness
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e) Additive allele 3) Hemizygosity would most likely be associated with which of the  following? a) Codominance b) Incomplete dominance c) Trihybrid cross d) X-linked inheritance e) Sex-linked inheritance 4) In a mating between individuals with the genotypes I A I B  X I O I O , what  percentage of the offspring is expected to have the O blood type? a) 25 b) 50 c) 0 d) 100 e) 10
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5) If an X-linked disorder is lethal to the affected individual prior to the  age at which one attains reproductive maturity, the lethality will be  expressed in males only. This is because;
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This note was uploaded on 07/04/2011 for the course BIO 325 taught by Professor Saxena during the Fall '08 term at University of Texas at Austin.

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Ch. 4 HW - Ch. 4 Practice Questions Mohanty Instructor: Dr....

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