【简答题】A.It is Saturday, B.It is Sunday. C.It is Monday. D.It is Thursday.
【简答题】A.It is big. B.It is small. C.It is poor. D.It is quiet.
【简答题】A.It is one-sided. B.It is objective. C.It is reasonable. D.It is ridiculous.
【简答题】人类的甲型血友病为伴X隐性遗传疾病,致病基因用字母h表示;粘多糖病、葡萄糖—6磷酸脱氢酶缺乏症(俗称蚕豆黄)均为单基因遗传病,其中粘多糖病基因与正常基因可用字母A或a表示,蚕豆黄病基因与正常基因可用字母E或e表示。
下列为甲、乙家族通婚的遗传系谱图(图1),通婚前,甲家族不具有粘多糖致病基因,乙家族不具有蚕豆黄致病基因。请据图回答。 Ⅰ-2不具蚕豆黄致病基因,可推知由常染色体上基因控制的疾病是(...
【单选题】下列不属于诱骗投资者买卖证券、期货合约罪的犯罪主体足( )
【简答题】A It is one-sided.
B It is objective.
C It is reasonable.
D It is ridiculous.A.It is one-sided. B.It is objective. C.It is reasonable. D.It is ridiculous.
【单选题】对于由未知的新基因所引发的单基因遗传性疾病,可以通过基因定位的方式来克隆疾病的致病基因。关于未知基因的定位,请回答下列问题。如果两个位点的等位基因位于同一染色体上且相距较近,它们在传递过程中是作为一个单元传递,称为()