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| Description: Some of the common structural abnormalities seen in chromosomes. (a) In a deletion, part of a chromosome is lost (here segment F is lost). (b) Duplications have a chromosomal segment repeated (here segment DE is duplicated). (c) In a translocation, parts are exchanged between chromosomes. In this example, segments of nonhomologous chromosomes are exchanged. (d) In an inversion, the order of chromosome segments is reversed (here segment EFG is inverted). Picture Stats: Views: 160 Filesize: 99.31kB Height: 446 Width: 1500 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=44310 |