Genes are responsible for the transmission of the disease is inherited.
If the gene is one partner dominates the other partner gene, the child will get the disease, which is responsible for the dominant gene.
According to statistics, every year the risk of losing the fruit,that is, not to make pregnancy increases. All because of a bad environment, there are always new viruses, chemical effects on the body, the administration of hormones and immunnostimulyatorov and genetic diseases. More and more couples who are planning a pregnancy, seek the advice of a physician-geneticist, to obtain data on hereditary diseases, who suffer ancestors, but that does not manifest itself in the course of their lives and the lives of their parents.
The mechanism of transmission of hereditary diseases
; Each gene of an organism contains a uniqueDNA - deoxyribonucleic acid. In addition, each gene is a carrier of a particular feature code. Genes are the father and mother form pairs in which one gene suppresses always - the dominant, and the other repressed - recessive. If the body of the mother or father has abnormal gene, the child would always get. And if both parents are carriers of the gene of the patient, the risk to reward their child's increased twice as compared to the situation when the patient is a carrier of the gene from only one parent.
; If the patient is suppressing gene, the childborn with a hereditary disease, if repressed - it is just a carrier, and will reward them have their future children. Moreover, if the owner of the suppressed gene finds itself in a person's partners with the same family history, in 50% of cases, their child will become the owner of the gene of the patient. That's why it happens that several generations are not even aware that in their family were the hereditary disease, because they can express themselves and 3-5 and more generations.
What increases the risk of genetic disease
; In reality, the risk transfer to your childany genetic disease is only 3-5%. However, it is not necessary to remove from the accounts of the impact of a bad environment, bad and inadequate nutrition, stress, hormonal failure, and other factors - all this greatly increases the "chances of success". Unfortunately, there are a number of genetic diseases transmitted in each generation, that is, a person with such an illness is always suppresses gene. It is about diabetes, obesity, psoriasis, schizophrenia, epilepsy, hypo- and hypertension, Alzheimer's disease, atherosclerosis, and others.
; Some diseases 30-40 years does not itselfdisplay and are activated under the influence of certain factors. In hereditary diseases can be a different type. This, in turn, depends on the type of chromosomes, which may be recessive, dominant, multifactorial, chromosomal and recessive X-chromosome. If the father and mother are carriers of the same types of chromosomes, the probability of transmission of genetic disease to the child.