Unit 5: Genetics, Heredity, Biotechnology




Relevant Science Standards:

SB2. Students will analyze how biological traits are passed on to successive generations. 
        a. Distinguish between DNA and RNA. 
        b. Explain the role of DNA in storing and transmitting cellular information. 
        c. Using Mendel’s laws, explain the role of meiosis in reproductive variability. 
        d. Describe the relationships between changes in DNA and potential appearance of new traits including 
                       • Alterations during replication. 
                                o Insertions 
                                o Deletions 
                                o Substitutions 
                       • Mutagenic factors that can alter DNA. 
                                o High energy radiation (x-rays and ultraviolet) 
                                o Chemical 
        e. Compare the advantages of sexual reproduction and asexual reproduction in different situations. 
        f. Examine the use of DNA technology in forensics, medicine, and agriculture.
Unit 5 Overview

Big Ideas:
DNA vs. RNA
Replication
Mendel's Laws
Meiosis 
Mitosis
Sexual vs. Asexual Reproduction
DNA Technology

Textbook Reference:
Ch. 5, 6, 7, 8

Essential Questions:
 1. What are the pros and cons of sexual and asexual reproduction?
2.  How is DNA organized in prokaryotic and eukaryotic cells?
3.  What are the difference between DNA and RNA?
4.  What is the role of DNA in hereditary (DNA-RNA-proteins)?
5.  How does meiosis promote genetic variation?
6.  What is the relationship between changes in DNA & the potential appearance of new traits (types of mutations)?
7.  What are the factors that can cause changes on DNA?
8.  How does DNA technology play a role in forensics, medicine, and agriculture?

Important Vocabulary:
1. DNA 
 2. Nitrogenous base 
 3. Nucleotide 
 4. Hydrogen bond 
 5. Double helix
6. Base Pairing Rule 
 7. RNA 
 8. Chromosome 
 9. Replication
10. DNA Polymerase
11.  central dogma
12.  mRNA
13. rRNA
14.  tRNA
15. Transcription
16. Translation
17.  Codon
18.  Stop Codon
19.  Start Codon
20.  Mutation
21. Mutagen
 22. Mitosis 
 23. Binary fission 
 24. Interphase 
 25. Prophase 
 26. Metaphase 
 27. Anaphase 
 28. Telophase 
 29. Cell Cycle 
 30. Homologous 
 31. Cytokinesis 
 32. Sister Chromatid 
 33. Cytokinesis 
 34. Chromatin 
 35. Spindle fibers 
 36. Centriole 
 37. Centromere
38. Equatorial plate 
  39. Diploid 
 40. Haploid 
 41. Tetrad 
 42. Crossing over 
 43. Meiosis
44. Haploid
45. Diploid 
46.  Gamete
47. Zygote
48.  Heterozygous
49. Punnett square
50. Pedigree
51. Sex-linked trait
52. Mitosis
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