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The Four Genetic Disorders

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There are four different types of genetic disorders: single gene mutations, chromosome mutations, multifactorial, and mitochondria. Single gene mutation, also known as Mendelian disorder, is an abnormality in the DNA of a gene, and is divided into three categories, dominant, recessive, and X-linked. Chromosomal mutation is a result of extra or lack of a certain number of chromosomes, or an irregular structure of a chromosome. Multifactorial disorder is caused by multiple genes that are combined with environmental and by the lifestyle of that particular person. Mitochondrial disorders are caused by mutations in the DNA of mitochondria, that affects mitochondria function. Although the four types of genetic disorders all affect the human body
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