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| Description: Homologous chromosomes fail to disjoin in meiosis I, and all resulting gametes are aneuploid. Fertilization by a normal haploid gamete produces fertilized eggs that are trisomic (2n + 1) or monosomic (2n 1)Homologous chromosomes fail to disjoin in meiosis I, and all resulting gametes are aneuploid. Fertilization by a normal haploid gamete produces fertilized eggs that are trisomic (2n + 1) or monosomic (2n 1) Meiosis I Meiosis ll Secondary Fertilization (with Fertilized gametocytes Gametes anormal gamete) eggs Trisomic (2n + 1) (2n) Primary gametocyte (n) Monosomic (2n — 1) (n—1) (n—1) Picture Stats: Views: 83 Filesize: 135.63kB Height: 868 Width: 1191 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=48848 |