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Vai, ja runa iet par tādu gēnu mijiedarbības veidu, kā polimērija, un par vienu fenotipisku īpašību atbild trīs nealēlie gēni, tad trīm organismiem ar sekojošiem genotipiem:
1)AABbcc;
2)aaBbCC un
3)AaBbCc
būs pilnīgi vienādi pēc šitas konkrētas fenotipiskas pazīmes? Vai trīs gēnu heterozigotais stāvoklis(AaBbCc) nodrošīnās lielāku (stiprāku) fenotipisku izpausmi, salīdzinot, piemēram, ar viena gena (A) homozigoto dominānto un otra gēna (B) heterozigoto stāvokli - AABbcc (ja pieņemt, ka fenotipiskā izpausme palielinās ar dominānto gēnu skaita palielināšanu šīs trīs polimēro gēnu robežās)?
Ja runāt par konkrētu piemēru, tad šo jautājumu varu pārfrāzēt sekojoši. Ka zināms, suņiem apmatojuma krāsas intensitāte ir atkarīga no trīm polimēro gēnu (A,B,C) pāriem. Vai 6 suņiem ar genotipiem AAbbcc,aaBBcc,aabbCC,AaBbcc,aaBbCc,AabbCc būs vienāda krāsa apmatojums?
Jau iepriekš paldies par atbildi!
25, 2009, 18:47Gēns
:-:
[Your answers and comments can be added here]

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