Biol223_Smith_10_2004-2005sSpring_ExamI - Biol223_Smith...

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Biol223_Smith Exam I 04 April 2005 PAGE 1 of 4 Exam # Biology 223 Spring 2005 Exam I, 04 April 2005, 9:00 - 9:50 am EXAM COPY # No notes, no calculators, no phones. Write your name and student ID number at the top of this page. Use non-erasable ink, write on the back if needed. Write legibly and succinctly, using proper terminology. Show your work and justify your conclusions, partial credit may awarded. Negative points may be assigned to unjustified, frivolous and grossly incorrect answers. Russell chapters 1-7, 19. 100 points possible, 50 minutes. Note points per question and spend your effort accordingly! codon chart Second base
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Biol223_Smith Exam I 04 April 2005 PAGE 2 of 4 Exam # Question 1 for 10 points Regarding meiosis in animal cells a) at which phase do chromosomes synapse and engage in crossing over? b) at which phase are two diploid cells produced? Question 2 for 10 points Equus calibus has a diploid set of 64 chromosomes and Equus asinus has a diploid set of 62 chromosomes. When male E. asinus mate with female E. calibus , offspring are called mules. Why are these hybrids usually sterile?
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This note was uploaded on 02/23/2010 for the course BIOL 223 taught by Professor Smithanddarwiche during the Spring '10 term at American University of Beirut.

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Biol223_Smith_10_2004-2005sSpring_ExamI - Biol223_Smith...

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