BIOL 121 (2012) Spring Exam 3

B c d 7 removal of the poly a tail removal of

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Unformatted text preview: duals, 54 Aa individuals, and 3 aa individuals. Given that the frequency of the A allele is _______, we can conclude that this population _______ in Hardy- Weinberg equilibrium. (4 pts) A. B. C. D. E. 5) 0.9; IS NOT 0.9; IS 0.27; IS NOT 0.27; IS 2.7; IS Red- green color blindness is a sex- linked recessive trait in humans. Two people with normal color vision have a color- blind son. What are the genotypes of the parents? (4 pts) A. B. C. D. E. F. 6) cc and cY cc and CY CC and cY CC and CY Cc and CY Cc and cY Which of the following is a mechanism for increasing expression of a eukaryotic gene (4 pts): A. B. C. D. 7) Removal of the poly A tail. Removal of acetyl groups from lysine residues on histones. Attachment of acetyl groups to lysine residues on histones. MicroRNA binding to the mRNA transcribed from the gene. Gene flow describes the exchange of genetic material between (4 pts): A. B. C. D. E. males and females. chromosomes. species. populations. individuals. 3 BIOL 121 Exam 3 4/23/12 8)...
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