The Chromosomes

The main physical signals in the just-been born one are: Hipotonia (muscular flacidez); Opening of eyelids inclined with the raised external part more; Fold of the eyelid in it I sing intern of the eyes as in the people of the yellow race; Only fold in the palm of the hands. (simiesca) It has others physical signals, but vary of baby for baby. The frequency of the Syndrome of Down is relatively assduo therefore of each 600 babies who are born one have the Syndrome. Currently, one esteem that they exist, between children and adults, more than 100 a thousand Brazilians with Syndrome of Down. Any couple can have a son with the syndrome, not importing its race, religion or social condition. However, the possibility of being born a baby with S.D is bigger, when the mother has more than 40 years. Risk of that one just-been born has Syndrome of Down, in accordance with the age materna, in the case of mothers who had never had a child with this syndrome.

At the beginning of the gestation when he starts if to form the baby, already he is determined if it will have S.D or not. Nothing that occurs during the pregnancy, as falls, emotions, forts scares, can be the cause of the syndrome. Also no medicine is not known that ingested during the pregnancy causes the S.D. A syndrome is not contagious, nor is caused by no microbe. It is determined by an alteration that is present at the beginning of the development of the baby. All person has its body formed for small called units cells, that only can be seen by microscope inside of each cell are the chromosomes, gifts in the nucleus, that are the pointed ones as responsible for all the functioning of the person. A chromosome of a normal cell determines, for example, the color of the eyes, height, color of the skin, forms of the eyes, sex and also the functioning and forms of each internal agency, with the heart, the stomach and the brain.



Both comments and pings are currently closed.