1 / 100

Chapter 14 Mendel and the Gene Idea

Chapter 14 Mendel and the Gene Idea. Inheritance. Genetics. Genetic Theories. 1. Genetic Theories (cont.). Gregor Mendel. Mendel’s paper published in 1866, but was not recognized by Science until the early 1900’s. Reasons for Mendel's Success. Mendel was a pea picker.

tirza
Download Presentation

Chapter 14 Mendel and the Gene Idea

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Chapter 14 Mendel and the Gene Idea

  2. Inheritance

  3. Genetics

  4. Genetic Theories 1

  5. Genetic Theories (cont.)

  6. Gregor Mendel

  7. Mendel’s paper published in 1866, but was not recognized by Science until the early 1900’s.

  8. Reasons for Mendel's Success

  9. Mendel was a pea picker. He used peas as his study organism.

  10. Why Use Peas?

  11. Cross-pollination

  12. Self-pollination

  13. Mendel's Work

  14. Monohybrid or Mendelian Crosses

  15. P Generation

  16. Offspring

  17. Another Sample Cross P1 Tall X short (TT x tt) F1 all Tall (Tt) F2 3 tall to 1 short (1 TT: 2 Tt: 1 tt)

  18. Results - Summary

  19. Mendel's Hypothesis

  20. Mendel's Hypothesis

  21. Mendel's Hypothesis 4

  22. Law of Segregation

  23. Mendel’s Experiments

  24. Vocabulary

  25. Helpful Vocabulary

  26. 6 Mendelian Crosses are Possible CrossGenotypePhenotype TT X tt all Tt all Dom Tt X Tt 1TT:2Tt:1tt 3 Dom: 1 Res TT X TT all TT all Dom tt X tt all tt all Res TT X Tt 1TT:1Tt all Dom Tt X tt 1Tt:1tt 1 Dom: 1 Res

  27. Test Cross

  28. Dihybrid Cross

  29. Dihybrid Cross

  30. Results • 9 Tall, Red flowered • 3 Tall, white flowered • 3 short, Red flowered • 1 short, white flowered Or: 9:3:3:1

  31. Law of Independent Assortment

  32. Probability

  33. Genetic Ratios

  34. Rule of Multiplication

  35. Example: TtRr X TtRr

  36. Comment

  37. Variations on Mendel

  38. Incomplete Dominance

  39. Result

  40. Another example

  41. Codominance

More Related