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The positive and the Negative Aspect of Heredity.

The book is about the effect of Heredity in Health and diseases.

It explains in simple Arabic??language the basis of heredity, genes, chromosome and the common diseases in the region.

First Chapter is about heredity and the methods of transmitting diseases in families, Autosomal recessive inheritance, Dominant inheritance, X linked inheritance multi-factorial diseases etc

2nd chapter- about chromosomes and chromosomal diseases such as Down's syndrome

3rd chapter- about genes and genetic diseases, DNA, gene structure, gene function, genetic code, gene mutation.

4th chapter- about congenital abnormalities

5th chapter-about consanguinity and marriages between relatives

6th chapter ?about genetic blood diseases, Sickle cell disease, Thalassemia and glucose 6 phosphate dehydrogenase deficiency

7th chapter- about premarital counseling

8th chapter- about Down's syndrome

9th chapter- about intelligence between heredity and environment.