Diagram how aneuploidy may occur through Mitosis starting from a parent cell at G1 phase. Make sure to distinguish between chromosomes and the following phases of cell division (G1 phase, prophase, metaphase, anaphase, telophase, cytokinesis). Indicate the chromosome equation and chromosome number of the parent cell and the daughter cells. *S phase and G2 phase purposefully excluded

Human Physiology: From Cells to Systems (MindTap Course List)
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ISBN:9781285866932
Author:Lauralee Sherwood
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Chapter20: The Reproductive System
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Consider a diploid organism that follows the XX-XO mode of sex determination. Normally, there are 7 chromosomes in its somatic cell. The chromosomal composition is as follows:

  • Chromosome I is a large acrocentric chromosome
  • Chromosome II is a large telocentric chromosome
  • Chromosome III is a small telocentric chromosome
  • Chromosome IV (X chromosome) is a medium submetacentric chromosome

 

Aneuploidy was observed in a particular individual wherein there are three copies of Chromosome III.

  1. Diagram how aneuploidy may occur through Mitosis starting from a parent cell at G1 phase. Make sure to distinguish between chromosomes and the following phases of cell division (G1 phase, prophase, metaphase, anaphase, telophase, cytokinesis). Indicate the chromosome equation and chromosome number of the parent cell and the daughter cells.
    *S phase and G2 phase purposefully excluded
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