Unit 8 Review

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Dyllanjohnson
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269156
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Unit 8 Review
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2014-04-03 22:56:59
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  1. Passing of traits from parents to offspring
    Heredity
  2. scientific study of heredity
    Genetics
  3. Rod shaped structures that contain heredity traits
    chromosomes
  4. units of heredity info located on chromosomes
    genes (vs. jeans)
  5. father of genetics
    Mendel
  6. what country Mendel was from
    Austria
  7. year when mendal was born
    1822
  8. mendel's "job"
    math teacher
  9. garden plant mendel used in research
    garden pea (not pee) plant
  10. are peas self or cross pollinating (trick answer)
    both
  11. another name for reproductive cells
    Gametes
  12. the first individuals in a genetic cross are called this generation
    P1 (papa 1?)
  13. what area did mendel apply to his math problems?
    probability
  14. the results of the parental cross are called
    F1 - first Filial
  15. crossing the F1 offspring results is the
    F2 - second Filial
  16. What mendel called "factors", we call
    genes (not jeans)
  17. what ratio do we get in a onohybrid cross between 2 hybrids?
    3:1 phenotype
  18. the gene that hides the other gene
    dominant
  19. the gene that is hidden BY the other gene
    recessive
  20. the "stronger" gene
    dominant
  21. the "weaker" gene
    recessive
  22. yellow is dominant to green.  what is used to symbolize yellow?
    y
  23. Yellow is dominant to green.  What is used to symbolize green?
    y Achondroplasia (dwarfism)
  24. write the genotype for heterozygous yellow
    Yy
  25. write the genotype for green
    yy
  26. write the genotype for hybrid yellow
    Yy
  27. write the genotype for pure yellow
    YY
  28. write the genotype for homozygous yellow
    YY
  29. write the genotype for homozygous recessive
    yy
  30. True or false. Y and y are alleles of one another
    True
  31. when both letters are the same, we cal it
    Homozygous
  32. another name for homozygous is
    Purebred/Pure
  33. when the letters are different, we call it
    Heterozygous
  34. another name for heterozygous is
    Hybrid
  35. mendel's principle that says "members of each pair of genes separate "
    law of segregation
  36. mendel's principle that says "2 or more pairs of genes separate independently"
    law of independent assortment
  37. during what biological process does segregation happen?
    Meiosis
  38. how many traits did mendel observe in peas
    7
  39. either member of a pair of genes is called a/an
    allele
  40. the actual genes shown in a cross
    genotype
  41. what trait the genes code fore (the physical description) and is expressed in an organism
    phenotype
  42. the genotype for black if black is dominant to white
    BB or Bb
  43. the genotype for white
    bb
  44. the likelihood of an event happening is called
    probability
  45. why are human genetics difficult to study
    • too hard to control, life expediencies too long, not enough offspring
    • (God was super creative with making various types - including gingers)
  46. a record that shows how a trait has been inherited over time in a family
    pedigree
  47. the kind of twins most often used in genetic studies
    identical
  48. two most common blood types
    O and A(I'm an O)
  49. least common blood type
    AB
  50. the recessive blood type
    o
  51. type of blood produced by parents that are o and homozygous A
    A
  52. heophilia is sex-linked and recessive. what's the genotype of a carrier female
    XH Xh
  53. what does the root word "hemo" stand for
    blood
  54. sex-linked disorders affect mostly which gender
    males
  55. give an example of a sex influenced trait
    • Men: crabby
    • real answer: baldness
  56. a genetic disorder that causes death is called
    • bad luck
    • real answer: lethal
  57. a picture of chromosomes is called
    • unattractive
    • real answer:  Karyotype
  58. are sex chromosomes needed to do sex influenced problems?
    no
  59. prenatal genetic test of the amniotic fluid
    • amniocentesis
    • (I did this with both you and Zoe)
    • they thought there was something seriously wrong with you until this test.  They didn't test for brattiness)
  60. prenatal test using high frequency sound to see the baby
    • Ultrasound
    • (did this too.  You had a huge
    • head)
  61. symbol for a male on a pedigree
    square (as in boring)
  62. symbol for a female on a pedigree
    circle (eternally awesome)
  63. symbol for a still born on a pedigree
    +
  64. what is the genotype of an individual with a darkened square (not sex linked) on a pedigree (use any letter)
    bb (butter bean)
  65. the male sex chromosomes
    xy
  66. the female sex chromosomes
    xx
  67. when a trait has more than 3 allesles it is said to have
    multiple alleles
  68. traits that are influenced by many genes (hair color) are called
    polygenic traits
  69. which genetic disorder has symptoms of irritability, loss of memory, brain deterioration, etc., but doesn't show up until around age 40
    Huntington's Disease
  70. which genetic disorder is most common in african americans and deals with mis-shapen red blood cells?
    sickle-cell anemia
  71. which disorder is most common in caucasians (hint: symptoms include build up of mucus, difficulty breathing, life expectancy of around 30 years
    Cystic Fibrosis

    this is the benefit cause of River Rock Music Festival and now the life expectancy is more than 30 years...it is now early 40's.
  72. what are 2 disorders we talked about that are caused by dominant alleles
    Huntington's & achondroplasia (dwarfism)
  73. which disorder are all babies in the US routinely screened for?
    PKU
  74. which genetic disorder is sex linked and recessive and may lead to people bleeding to death
    hemophilia
  75. which genetic disorder is sex linked and recessive dealing with progressive degeneration of muscles and coordination.  seen in infants, has them wheel chair bound by age 12 and usually dying by their 20's
    Duchenne muscular dystrophy

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