第三章 孟德尔遗传学
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Transcript of 第三章 孟德尔遗传学
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Key words dominant recessive genotype phenotype law of segregation law of independent assortment
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KolreuterGartner.
KolreuterGartner(1) (2) (3)
MendelWhy Mendels Laws ?
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Why Peas (Pisum sativum)?
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Mendels Experiments
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Why Peas (Pisum sativum)?
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186518661900DeVries: Correns:Tschermak: 48 46 Painter1920 48Tjio & Levan (1956) 46Spindle assembly checkpoint 1955 1989 1990 1996
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705705 224Mendel Experiments:F2
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F2,
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1.2.3.4.5.6.7.
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CC cc
Cc Cc1/2C1/2c1/2C1/2c1CC:2Cc:1ccPF1F21, 2, 343, 54, 67
1/4CC 1/4Cc
1/4Cc 1/4cc
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Mendel
X CC cc C c Cc Cc CCCc cc 3 1 P(Parent generation) F1(1st filial generation) F2(2nd filial generation)
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Mendel: Test cross 85 81
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Mendel: F2 36/100100% CC cc
Cc 1CC 2Cc 1cc
1CC 2Cc 1cc
cc
CC64/1003/41/4pF1F2F33:11:2:12/33:1
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Mendel:
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Mendel:
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Mendel
(?), ,
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(back cross)(test cross)(character)(dominant) (recessive) phenotype)
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(allele)(genotype)(heterozygote(homozygote)
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3. 4. 5. 6.
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WrinkledRoundMendels Experiments:
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Mendels Experiments:
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Mendels Experiments:
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Mendels Experiments:
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Mendels Experiments:
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F1F1IF1
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I
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YYrr
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F1145123.75122783.38132473.431419101.901532112.91162664.331788243.671822102.20192864.671102573.5713361013.331
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%F14512570.792F17220920.783F196271230.784F1115371520.765F1147481950.756F1173542270.767F1261783390.778F1283883710.769F1311944050.7710F13361014370.77..........253F15474185073240.75
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2 :1) F2 F2
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3. goodness of fit)chi-square test, 2
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3. 2-test (chi-square test, 2)ObservedExpected
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3. 2-test (chi-square test, 2)
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3. 2-test (chi-square test, 2)
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3. 2-test (chi-square test, 2)
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3. 2-test (chi-square test, 2)
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3. 2-test (chi-square test, 2)
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6, 7, 9, 10, 11, 14, 16
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