A-A+
How does the newborn screening test work？A．It
问题详情
How does the newborn screening test work？
A．It looks for abnormal arrangements of the gene.
B．It detects innate errors by checking the proteins.
C．It takes cell samples from body fluids or tissues.
D．It requires taking the carrier testing first.此题为多项选择题。请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：C
解析：文中第4段介绍了这一最为普遍的基因测试，举了两个例子。由第一个例子和第2个例子可排除A、B选项。从文章第3段“taken from cells in a sample of blood or，occasionally，from other body fluids or tissues”得知血液是体液的一种，因此由文章第4段“four million newborn infants have blood samples tested”可判断C是正确选项。
