Intro to Genetics Exam 4

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Author:
misol
ID:
253166
Filename:
Intro to Genetics Exam 4
Updated:
2013-12-14 18:23:30
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biology exam
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biology exam 4
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  1. Gregor Mendel
    • father of genetics
    • the guy with the pea's
  2. dominant
    • need atleast 1 dominant to be expressed
    • DD or Dd
  3. genes and alleles
    every individual has 2 genes for a character, each gene has 2 alleles (dominant or recessive)
  4. ¨Mendel’s Law of Segregation
    • 2 copies of a gene segregate from each
    • other during the transmission from parent to offspring (randomly combine during fertilization)
  5. genotype
    actual gene (ie TT, Tt, tt)
  6. phenotype
    what's being expressed (ie color, texture, etc)
  7. testcross
    cross two things to see what the parent was
  8. locus
    physical location of a gene on a chromosome
  9. law of independent assortment
    • Random alignment of chromosome pairs during meiosis I leads to the independent
    • assortment of alleles found on different chromosomes
  10. Incomplete dominance
    mixing of two traits
  11. codominance
    express both equally

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