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Mendel and His Peas

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Mendel and His Peas
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Storyboard Tekst

  • Gregor mendel grew up on a farm in austria, during the 1800's.
  • 
  • At 21 Mendel joined a monastery that sparked his interest in science.
  • Mendel discovered that pea plants can self-pollinate
  • In self-pollination, sperm from one plant fertilizes the the eggs of the same plant. A true-breeding plant's offspring will have the same traits as the parent.
  • They canCross-Pollinate
  • 
  • When Mendel crossed a purple plant and a white plant, he observed that the offspring always had purple flowers
  • First Generation Plants
  • Mendel choose to call the trait that appeared the dominant trait, and the trait that disappeared the recessive trait
  • Gregor Mendel then allowed the first-generation plants to self-pollinate
  • Second Generation plants!
  • Mendel observed that for every 3 plants with dominant traits there was 1 plant with the recessive trait
  • characteristic
  •  plant height
  • flower position
  •  pod shape
  •  pod color
  • seed shape
  • flower color
  • seed color
  • Mendel's Results
  • 651 along stem
  • Dominant traits
  • 882 smooth
  • 428 green
  • 787 tall
  • 705 purple
  • 5,474 round
  • 6,002 yellow
  • 207 at tip
  • recessive traits
  • 152 yellow
  • 299 bumby
  • 277 short
  • 1,850 wrinkled
  • 2,001 green
  • 224 white
  • dominant traits
  • 2.81:1
  • 2.94:1
  • 3.14:1
  • 2.99:1
  • 2.95:1
  • 2.84:1
  • 3.14:1
  • ratio
  • Mendel concluded that each parent gives one set of instruction, the offspring's traits are determined by the dominant set of instructions
  • Gregor Mendel was a GENIUS
  • Unfortunately scientists did not recognize Mendel's work until 30 years after his death.
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