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Genetics (5.1)

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Genetics (5.1)

  1. genetics Section 5.1
  2. Genetics
  3. Geneticsthe study of how traits are inherited through the interactions of alleles
  4. heredity
  5. heredity the passing of traitsfrom parent to offspring
  6. ALlele
  7. ALleledifferent forms of a trait that make up a gene pair
  8. Alleles separate into different sex cellsduring meiosis.
  9. Alleles separate into different sex cellsduring meiosis. The alleles that control the trait fordimples include D, the presence ofdimples, and d, the absence of dimples.
  10. Alleles separate into different sex cellsduring meiosis. The alleles that control the trait fordimples include D, the presence ofdimples, and d, the absence of dimples.
  11. Mendel studied one trait at a time.
  12. Mendel used predictions whendealing with his plants.
  13. Mendel used predictions whendealing with his plants. It was accurate because itstudied almost 30,000 peaplants over a period of 8years.
  14. Mendel used predictions whendealing with his plants. It was accurate because itstudied almost 30,000 peaplants over a period of 8years. Valid scientific conclusionsneed to be based on resultsthat can be duplicated.
  15. hybrid
  16. hybridoffspring that receives different genetic information, or different alleles, for a trait from each parent
  17. dominant
  18. dominantthe form, or allele, that dominates (covers up) the other form
  19. recessive
  20. recessive the form, or allele, thatseems to disappear or be hidden
  21. Turn to Page 131
  22. Punnett square
  23. Punnett square tool used to predict results in Mendelian genetics
  24. Punnett square tool used to predict results in Mendelian geneticsdominant trait
  25. Punnett square tool used to predict results in Mendelian geneticsdominant traitrepresented by a capital letter for example: B
  26. Punnett square tool used to predict results in Mendelian geneticsdominant traitrepresented by a capital letter for example: B recessive trait
  27. Punnett square tool used to predict results in Mendelian geneticsdominant traitrepresented by a capital letter for example: B recessive trait represented by a lowercase letter for example: b
  28. Genotype The code for the genetic makeup of an organism. Example: GG
  29. phenotype The way an organism looks or behaves as a result of its genotype. Example: green plant.
  30. Homozygous An organism with 2 alleles that are the same. Examples: aa or AA.
  31. Heterozygous an organism with 2 different alleles. Example: Tt
  32. making a punnett square B b B b
  33. making a punnett square B b B BB Bb b Bb bb
  34. making a punnett square

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