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Genetics

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?????????????????????????????????????(heredity) ??????????????????????????? ... ???????????????????????. ??????????????????????????????????. Helmount ... – PowerPoint PPT presentation

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Title: Genetics


1
????????????????????????????
  • ???
  • ???????????????????????? ??????

2
???????????(Genetics)
  • ?????????????????????????????????????(heredity)
  • ???????????????????????????

3
Sponteneous Generation
??????????????????????????????????
Aristotle
4
  • ????????
  • ???????????????????????
  • ??????????????????????????????????

Helmount
????? ????????????????????????????????????
?????????? ????????????????????????????
??????? ???????????????????????
???????????????
5
???????
Redi
6
Preformation theory
Leeuwenhoek
??. 1632 - 1723
7
homunculus
animalculus(sperm)
8
Epigenesis Theory
Casper F. Wolff (1738-1794)
????? embryo ?????????
??????????????????????????????????????????????????
?????????????????????? ????????????????? embryo
???????? ????????????????? (fertilization)
9
Pangenesis
Provisional Hypothesis of
Charles Darwin
???????????????????????? ????????????????????????
?? ???????? ?????? (gemmule) ??????? gemmule
??????????????????????? testis ??? ovary Gemmule
????????????????????? gamete ???????????????????
??????? gemmule ??????????????? ????
gemmule ?????????????????????????????
10
Galton 1822 - 1911
11
Acquired Character
???????????????????????????????
??????????????????????????????
??????????????????????????????????????????????????
12
Lamark
Lamarkism
????????????????????????????????????????????
???????????????????????? ???????????????????????
???????????????????????? ????????????????????
(acquired character) ???????????????????????
? ?????????????????????????????
????????????????? ?????????????????????????
????????????????????????????????????
13
(No Transcript)
14
August Weismann
???????
15
August Weismann
Germplasm Theory
??????????????????????????????????????????????????
????????????? ????????????????????????
??????????????????????????????????????????????????
?????????????????????????? (Zygote)
16
Gregor Johann Mendel
1822 - 1884
Experiment in Plant Hybridization
Natural History Society in Brunn 1865
17
Mendel's law
Law of Segregation
Law of Independent Assortment
18
GMOs
Genetic Modified Organisms
Insect resistant gene Herbicide resistant
???? BT, ???????BT Green tomato
19
(No Transcript)
20
???????
A ???????? ?????? a ????????
???????? D ???????? ???????? d ????????
???????? B ???????? ??????? b
???????? ????? Genotype Bb ???????????
?????????
Complete Dominant
Incomplete Dominant
AaBbdd x AaBbDD
???????????????? Phenotype ???????????????????????
???????????? ?????????????????????
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