Answer

Version B 26. Which amino acid would attach to the 3' end of this RNA? The anticodon is circled. Codon table at end of exam. Note the direction of the tRNA strand. AUGUST A. Phenylalanine (Phe) B. Leucine (Leu) C. Lysine (Lys) D. Glutamine (Glu) True False questions. (1 point each) Select the BEST answer. Record all answers on your answer sheet. _27. Males with X-Y sex determination are able to be carriers of X-linked disorders. _28. Translocations of genetic material between nonhomologous chromosomes occurring during meiosis have no effect on the phenotype of the resulting zygote. 29. Linked genes violate the law of independent assortment. 30. Barr bodies do not reactivate during meiosis. 31. A man has a disorder caused by a mutation in his mitochondrial DNA. He should be concerned about passing this disorder on to his children. 32. X and Y chromosomes behave as homologous chromosomes in meiosis. 33. Euchromatin contains histone proteins. 34. The sequence of DNA is always symmetrical around the origin of replication. 35. A strand of DNA in a eukaryotic cell may have many origins of replication, during DNA synthesis. 36. telomeres are shortened during DNA synthesis. 37. The information stored in DNA comes primarily from the sugar phosphate backbone. 38. A bacterial gene could theoretically be expressed by a squid. 39. A prokaryote can translate mRNA into proteins while it is being transcribed. 40. Transcription factors are required for the synthesis of mRNA. 41. Aneuploidy is always fatal. 6