Hereditary Factor In Influencing Disease
The hereditary traits are passed from parents to offspring through the genes found in the nucleus of the reproductive cells. In this core are a threadlike bodies called chromosomes, each made up of thousands of genes, are composed of deoxyribonucleic acid (DNA) that’s who transfers the estate.
Each reproductive cell carries a prize of 46 chromosomes and myelosis (a special type of cell division) causes the number of chromosomes is halved, ie 23. When the egg is fertilized by sperm obtained the 46 chromosomes, 23 from each parent. At this time the biological heritage of the new being is determined.
For each particular feature is a pair of genes, one from the mother and one father. But genes are dominant (greatest influence) and recessive (less influence), so the characteristics appear with the information marked by dominant genes. The combinations of dominant and recessive genes can be multiple, and the results.
The brothers do not share exactly the same inheritance, with the exception of identical twins. Each child inherits half the chromosomes of the father and mother and this half is a random selection, so what the results will be different combinations. According to statistics, in theory, a couple could give 64 million children genetically different.
Posted in Respiratory Problems | 
Tags: Chromosomes, Disease, Dominant Genes, Genes, Hereditary Factor, Parents, Reproductive Cells
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