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Genetics 101: Vocabulary, Punnett Squares, and Pedigrees

Learn the basic vocabulary of genetics, how to use Punnett squares, understand genotypes and phenotypes, and analyze pedigrees. Explore the world of genetics and discover the fascinating world of genes and heredity.

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Genetics 101: Vocabulary, Punnett Squares, and Pedigrees

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  1. Vocabulary

  2. Punnett Squares and Pedigrees

  3. Genotype or Phenotype

  4. People

  5. Hodge Podge

  6. Bloops, Bugs and Babies

  7. Vocabulary Punnett Squares and Pedigrees Genotype or Phenotype People Hodge Podge Bloops, Bugs, Babies, and Mitosis $100 $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 $500

  8. What is genetics ? The study of heredity is also called.

  9. What is Rr (hybrid)? Complete the punnett square below. R r R r

  10. What is phenotype? what you see; physical traits

  11. Who is Gregor Mendel? The Austrian monk who worked with pea plants; the father of genetics

  12. What is dominant? strong

  13. What is 25% (1/4)? R r R r The probability of offspring that cannot roll their tongue when R=roller and r=non-roller

  14. What is purebred dominant? When a genotype contains two capital letters (HINT: 2 words)

  15. What is RR (purebred dominant)? Complete the punnett square below. R r R r

  16. What is genotype? letters; the genetic makeup of an individual

  17. Who are Watson, Crick, and Wilkins? The three scientists credited with determining the shape of DNA

  18. What is recessive? weak

  19. What is curly? If both parents have curly tails, the offspring would probably have this type of tail.

  20. What is purebred recessive? When a genotype has two lowercase letters (HINT: 2 words)

  21. What is rr (purebred recessive)? Complete the punnett square below. R r R r

  22. What is genotype? Bb

  23. Who is Karl Correns? German botanist who discovered that some genes blend with others; studied four o clock flowers and incomplete dominance

  24. What is A? This letter goes with T as a base pair of DNA

  25. What is 0%? A woman who cannot roll her tongue marries a man who also cannot roll his tongue. What percent of their children will be able to roll their tongues?

  26. What is purebred recessive? When a genotype has two lowercase letters (HINT: 2 words)

  27. What is two? The number of generations shown in the pedigree below

  28. What is hybrid? When a genotype is written using one capital letter and one lowercase letter

  29. Who is Watson? Thescientist that does belong: Watts, Watson, or Wegener

  30. What is female? The circles are this sex

  31. What is mitosis (cell division)? This is the process in which the cell divides and chromosomes are passed from one cell to the next

  32. What are punnett squares? Charts called these are often used in genetics to determine the probability of a trait appearing in an offspring.

  33. What are carriers (Aa or hybrid)? The mother is AA for sickle cell anemia and the father is aa for sickle cell anemia. Describe their children. They are all…..and don’t say ½ colored in.

  34. What is phenotype? Blonde hair

  35. What is a genetic counselor ? If a couple wanted to know if there were any hereditary diseases in their family histories, they would consult with one of these counselors. (no not Dunn or Graham)

  36. What is mitosis? The process shown below results in two cells with the same genetic material

  37. What is B? Of the two stages shown below, it’s the stage that happens last

  38. Final Jeopardy

  39. Make sure that you can explain what’s happening….. • by matching the stage to a description

  40. Congratulations! The team with the most points just added 3 bonus points to their test grade!

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