tanja populaciona vezbe
TRANSCRIPT
![Page 1: Tanja populaciona vezbe](https://reader034.vdocuments.mx/reader034/viewer/2022042500/587bfca01a28ab7c668b5b23/html5/thumbnails/1.jpg)
POPULACIONA GENETIKA - Vežbe
dr Tanja Adnađević
IBISS
![Page 2: Tanja populaciona vezbe](https://reader034.vdocuments.mx/reader034/viewer/2022042500/587bfca01a28ab7c668b5b23/html5/thumbnails/2.jpg)
"Momak nam se sviđa, izgleda da ima sjajan genofond!" saopštili su roditelji devojke nakon što im je predstavila svog novog dečka.
Objasnite zašto je njihova izjava besmislena.
![Page 3: Tanja populaciona vezbe](https://reader034.vdocuments.mx/reader034/viewer/2022042500/587bfca01a28ab7c668b5b23/html5/thumbnails/3.jpg)
Govornik na jednom političkom skupu kaže "Zalagaću se posebno za dobrobit populacije žena naše opštine!“
Zašto je njegova izjava besmislena sa populacionogenetičkogstanovišta? Promenite njegovu izjavu tako da ima smisla.
![Page 4: Tanja populaciona vezbe](https://reader034.vdocuments.mx/reader034/viewer/2022042500/587bfca01a28ab7c668b5b23/html5/thumbnails/4.jpg)
100 GG
160 Gg
140 gg
Frekvencu genotipova
Frekvencu fenotipova
Frekvencu alela
100/400 = 0.25 GG160/400 = 0.40 Gg140/400 = 0.35 gg
260/400 = 0.65 zeleni140/400 = 0.35 braon
360/800 = 0.45 G440/800 = 0.55 g
0.65260
Izračunajte:Genotipovi u populaciji su:
![Page 5: Tanja populaciona vezbe](https://reader034.vdocuments.mx/reader034/viewer/2022042500/587bfca01a28ab7c668b5b23/html5/thumbnails/5.jpg)
Drugi način za računanje alelskih frekvenci:
100 GG
160 Gg
140 gg
Frekvenca genotipova
Frekvenca alela
0.25 GG0.40 Gg0.35 gg
360/800 = 0.45 G440/800 = 0.55 g
ili [0.25 + (0.40)/2] = 0.45 [0.35 + (0.40)/2] = 0.65
G
g
Gg
0.250.40/2 = 0.200.40/2 = 0.20
0.35
![Page 6: Tanja populaciona vezbe](https://reader034.vdocuments.mx/reader034/viewer/2022042500/587bfca01a28ab7c668b5b23/html5/thumbnails/6.jpg)
promene u alelskim frekvencama i/ili frekvencama genotipova kroz vreme
Kako se genetička struktura menja?
• mutacije• migracije• prirodna selekcija• genetički drift• neslučajno ukrštanje
![Page 7: Tanja populaciona vezbe](https://reader034.vdocuments.mx/reader034/viewer/2022042500/587bfca01a28ab7c668b5b23/html5/thumbnails/7.jpg)
Gluvi telefoni!!!
![Page 10: Tanja populaciona vezbe](https://reader034.vdocuments.mx/reader034/viewer/2022042500/587bfca01a28ab7c668b5b23/html5/thumbnails/10.jpg)
Industrijski melanizam
Beli papir:15 spinceta30 belih krugova30 tamnih krugova
Novine:15 spinceta30 belih krugova30 tamnih krugova
![Page 11: Tanja populaciona vezbe](https://reader034.vdocuments.mx/reader034/viewer/2022042500/587bfca01a28ab7c668b5b23/html5/thumbnails/11.jpg)
Populations Start on White Background
Starting Population Final Populations (how many of the original were left )
Generation Newspaper White Newspaper White
Double these final numbers to get your starting population for the next generation
1 30 30
2
3
4
5
Populations Start on Newspaper Background
Starting Population Final Populations (how many of the original were left )
Generation Newspaper White Newspaper White
Double these final numbers to get your starting population for the next generation
1 30 30
2
3
4
5
![Page 12: Tanja populaciona vezbe](https://reader034.vdocuments.mx/reader034/viewer/2022042500/587bfca01a28ab7c668b5b23/html5/thumbnails/12.jpg)
![Page 13: Tanja populaciona vezbe](https://reader034.vdocuments.mx/reader034/viewer/2022042500/587bfca01a28ab7c668b5b23/html5/thumbnails/13.jpg)
Borba za tubice
![Page 14: Tanja populaciona vezbe](https://reader034.vdocuments.mx/reader034/viewer/2022042500/587bfca01a28ab7c668b5b23/html5/thumbnails/14.jpg)
Ping pong