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| Description: Edward East determined that alleles of multiple genes control genetic variance in corolla length of tobacco (Nicotiana longiflora)Edward East determined that alleles of multiple genes control genetic variance in corolla length of tobacco (Nicotiana longiflora) Parents 70 60 50 40 30 20 1 0 Pure-breeding short and long corolla lines Percent F1 Corolla length is intermediate ‘5 between parent, g with variance due at to environment. F2 . . ,_, Vanance In corolla 5 length is genetic E and enwronmental. .9: F5 60 Selection for different lengths 50 Three generations of ‘5 selection for short ’ 3 4° and long corolla E 30 result in lines that resemble the parents. 20 1 0 34 40 46 52 58 64 70 76 82 88 94100 Corolla length (mm) Picture Stats: Views: 88 Filesize: 365.94kB Height: 2149 Width: 1320 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=48928 |