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Protein Synthesis for 300: Describe 3 types of chromosomal mutations. Scroll down to see answer. Non disjunction: homologous chromosomes fail to separate, results in trisomy or monosomy. Polyploidy: Meiosis 2 occurs, but cytokinesis fails. End up with an extra set of chromosomes; kills animals, makes plants stronger. Rearrangements: ~ Deletion: Part of chromosome is deleted ~ Inversion: Parts of a chromosome are flipped. ~ Translocation: part of a chromosome is attached to another chromosome. | |