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Practice Question for Replication, Genetics and Biotechnology 1. What nucleotides are in a strand of DNA? _________________ 2. The strand of mRNA contains what sugar? _________________ 3. Protein synthesis is called _________________. 4. To make RNA from DNA is called _________________. 5. Which RNA assembles into ribosome? _________________ 6. Which RNA will contain the codon? _________________ 7. Which will determine the amino acid sequence? DNA, mRNA, or tRNA? _________________ 8. Which will deliver the correct amino acid to the ribosome? DNA, mRNA, or tRNA? 9. The anticodon is needed to read the _______sequence on the mRNA. _________________. 10. Enzymes that join two fragments of DNA together are called? _________________ 11. DNA composed of two or more sources is called? _________________ 12. DNA Fingerprinting is a banding pattern molecular biologist call ………? _________________ 13. What is known as a small circular piece of DNA that is used as a vector in bacteria? _________________ 14. A transformed or transgenic organism is one that contains ___________? _______________ 15. The sum of all the genes and genetic information is an organism is known as ? 16. The lab procedure used to separated RFLP is known as _______________ 17. How many base pairs is in the human genome? _______________ 18. An exact copy of a gene, protein or organism is known as a ______________ 19. The Lab technique use to amplify a DNA sequence is known as _________________ 20. Where does translation occur? _________________ 21. Where does transcription occur? _________________ 22. A virus that can make DNA from RNA is known as _________________ 23. AUG codon codes for _________________ 24. UGA, UAG and UAA code for 25. A change in a DNA sequence is known as 26. Which recessive disorder increases resistance to malaria. 27. Which disorder is dominant and causes neurological deterioration. _________________ _________________ _________________ _________________ 28. A trait that expresses itself as a heterozygote is ______________ (dominant or recessive). 29. Sex linked traits are found on the _____________________ chromosome. 30. People who have one copy of an allele for a recessive disorder, but do not exhibit symptoms are called _________ 31. Is blood type an example of multigenic, multiallelic, codominant and or incomplete dominance. 32. codominant or incomplete dominance._______________ 33. A cross that studies the inheritance of two traits is known as _________________ 34. What type of mutation causes sickled cell anemia (insersion, deletion or substitution)? 35. What type of mutation causes a frameshift? _________________ 36. What effect will happen if a UGA becomes a UGG? _________________ 37. Which of the 3 genotypes are not true breeding _________________ 38. When does crossing over occur (must be specific)? _________________ 39. When part of a chromosome breaks and moves to another homologous chromosome this is ____________ 40. During which division (mitosis or meiosis) does non-dysjuction occur. _________________ 41. One with 47 chromosomes , having XXY, a male with female characteristics has what syndrome. _________________ 42. Which chromosome is the result of three copies of chromosome 21.. _________________ 43. A linear stretch of DNA is known as. _________________ 44. In the lac operon what binds to the polymerase? _________________ 45. In the lac operon what binds The operator? _________________ 46. When lactose is present what will the Repressor attach to? _________________ 47. Are the z, y and a genes expressed or not expressed with lactose is present? _________________ 48. TACAAACCCGGGTTTATC will produce what mRNA sequence 49. What amino acids will form from the transcript? 50. Do all base substitutions in DNA change the amino acid sequence?