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| Description: (a) In nondisjunction in meiosis I, one pair of chromosomes fails to separate properly at anaphase I of meiosis. Two gametes carry both members of a chromosome pair (n + 1), and two are missing one chromosome (n − 1). (b) In meiosis II, nondisjunction occurs in one cell, producing two cells with the normal haploid number, one cell with an extra chromosome, and one cell with a missing chromosome. Picture Stats: Views: 245 Filesize: 262.15kB Height: 1500 Width: 937 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=44298 |