Final Exam - Write your name on the back of the last page...

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Page 1 of 9 Write your name on the back of the last page Final Exam, Dec. 15 2004 ANSI3423 – Animal Genetics MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following is a characteristic of recessive inheritance of a relatively rare trait? A) when both parents are affected, they are homozygous for the recessive trait and all their progeny will usually exhibit the trait B) matings between two normal heterozygotes should produce an approximately 3:1 ratio of normal progeny to progeny exhibiting the recessive trait C) most affected individuals have two normal, heterozygous parents D) all of the above E) none of the above 2) A particular amino acid is specified by one or more A) nucleotides. B) chromosomes. C) codons. D) genes. E) proteins. 3) In a strand of DNA, a ________ bond connects the phosphate group of one nucleotide to the sugar of the adjacent nucleotide. A) hydrogen B) disulfide C) phosphate D) phosphodiester E) ester 4) The number of nucleotides in the mitochondrial genome is ________ that of the nuclear genome. A) less than B) the same as C) greater than 5) In mammals, gender is determined by A) Y-chromosome determination. B) X-chromosome-autosome balance. C) environmental dependence. D) dosage compensation. 6) Okazaki fragments are made from the ________ strand of the DNA double helix. A) lagging B) continuous C) leading D) dispersive E) conservative 7) Which of the following is required for the synthesis of DNA during replication? A) dNTPs
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Page 2 of 9 B) template DNA C) magnesium ions D) DNA polymerase E) all of the above 8) An individual with an XO genotype for the sex chromosomes would be phenotypically A) female. B) either male or female. C) both male and female. D) male. 9) A molecule of RNA is A) helical. B) antiparallel C) double stranded. D) all of the above E) none of the above 10) A ________ is located adjacent to the beginning of a gene's coding region. A) initiator B) terminator C) promoter D) transcriptor E) all of the above 11) During replication, the role of DNA primase is to A) add nucleotides to the growing DNA chain. B) untwist the double helix at the origin of replication. C) relax the supercoiling of the double helix.
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This test prep was uploaded on 04/18/2008 for the course ANSI 3423 taught by Professor Desilva during the Spring '08 term at Oklahoma State.

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Final Exam - Write your name on the back of the last page...

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