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?