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Carrier testing : ウィキペディア英語版 | Carrier testing Carrier testing is a type of genetic testing that is used to determine if a person is a carrier for a specific autosomal recessive diseases.〔(【引用サイトリンク】url=http://www.obgynspb.com/genetic-screening-tests-autosomal-recessive-diseases/ )〕 This kind of testing is used most often by couples who are considering becoming pregnant to determine the risks of their child inheriting one of these genetic disorders.〔(【引用サイトリンク】url=http://www.urmc.rochester.edu/Encyclopedia/Content.aspx?ContentTypeID=90&ContentID=P02142 )〕 == Background ==
Genes come in pairs; one from the mother and one from the father. A carrier is a person who inherited one abnormal gene from one of their parents.〔 Carriers often show no symptoms of the genetic disorder that they carry an abnormal gene for. Usually the only time a person finds out that they are a carrier for a specific genetic disorder is when they have an affected child.〔 For these kinds of genetic diseases to be present in a person, two copies of the abnormal gene are needed. This means that both of the parents have to be a carrier for the child to inherit the disease.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Carrier testing」の詳細全文を読む
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