11_esercizi

# Determinare lordine dei geni e la distanza di mappa

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Unformatted text preview: 60 a F M a M F 62 A f m A m f 40 A f M A M f 48 a F m a m F 7 A F m A m F 4 a f M a M f Totale = 726 Tipi parentali Crossing- over singolo tra a e m Crossing- over singolo tra m e f Doppi crossing- over ESERCIZIO 2: 11- 2 A parCre dai seguenC daC di un reincrocio (in piante di grano) in cui sono coinvolC i geni associaC a f m . Determinare l’ordine dei geni e la distanza di mappa tra i geni. Eterozigote A a F f M m omozigote recessivo X a a f f m m Numero FenoCpi Ordine dei geni 235 A F M ORDINE DEI GENI a m f A M F A M F 270 a f m a m f 60 a F M a M F 62 A f m A m f 40 A f M A M f 48 a F m a m F 7 A F m A m F 4 a f M a M f Totale = 726 Tipi parentali Crossing- over singolo tra a e m Crossing- over singolo tra m e f Doppi crossing- over ESERCIZIO 2: 11- 2 Calcolo della distanza tra a e m (60 + 62) + (7 + 4) 726 X 100% = 18,3% Calcolo della distanza tra m e f (40 + 48) + (7 + 4) 726 A M 18,3 X 100% = 13,6% F 13,6 GameC...
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