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10 Cards in this Set
- Front
- Back
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What are two common forms of aneuploidy?
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Monosomy and trisomy
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What is aneuploidy?
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The occurence of a cell that does not contain a multiple of 23 chromosomes
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Loss of chromosome material has (more/less) serious consequence than duplication of chromosome material.
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MORE; it is better to have more than what's needed than to not have enough.
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Aneuploidy is usally the result of what?
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Nondisjunction (homologous chromosomes or sister chromatids fail to separate normally during meiosis or mitosis)
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What are some of the characteristics of Klinefelter's disease?
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*Moderate degree of mental impairment
*Male appearance, but sterile *Develop female-like breasts *Somewhat high-pitched voice *Sparse body hair *Small testicles |
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What is gynecosmastia?
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The development of female-like breasts (in males who have chromosomal abnormalities such as Klinefelter's Syndrome)
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What is Atrophy?
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A decrease or shrinkage in cellular size
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What is Hypertrophy?
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An increase in size of cells and consequently in the size of the infected organ
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Describe Hyperplasia
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An increase in the number of cells resulting from an increased rate of cellular division
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What is Dysplasia?
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Abnormal changes in the size, shape, and organization of mature cells
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