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The book attempts to uncover the basic causes of genetic diseases and syndromes, which are transmitted from one generation to another, from the father to sons due to certain disorder in the inherited genes. Those genes carried a specific trait, which causes a disorder in one of the body organs or its functions. Some of these disorders are postnatal, others may appear in late phase of life. The book works to be a quick reference for public in general who want to have some knowledge about these disorders and especially for students who study genetics.

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Dr.Hayder Ayyal Mutar, assist. Prof. at the University of Al-Qadisiya/ College of Mathematics and Computer Sciences/ Unit of Biomathematics. Teaching (medical genetics) in the college of medicine in addition to Molecular biology and genetics at the College of Science.I have published several papers and books focusing on Autism as a genetic disease.

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