墨尔本PTE 阅读排序 2967
2016/10/18墨尔本PTE 阅读排序 2969
2016/10/18
A. Males have an X chromsome and a Y chromosome. If a boy inherits the DMD allele from his mother, he will not have another normal allele and will express the muscular dystrophy trait.
B. It affects about 1 in 3,600 boys.
C. Duchenne Muscular Dystrophy (DMD)is a genetic disorder that is caused by a gene located on the X chromosome.
D. Females receive two X chromosomes, they only need to have one working copy of the gene, so even if they carry the DMD gene, they will have a working copy on the other chromosome.
E. The reason it affects boys more than girls is because of the way sex chromosomes are inherited.
Answer
Answers: C B E D A
墨尔本PTE 澳大利亚语言学校AIL
墨尔本PTE 澳大利亚语言学院PTE备考课程一共四周，由听说读写四项组成。课程将包含大量PTE官方考题资料以及应试技巧，帮助学生在四周的时间内熟悉PTE的考试形式，破题方法以及完成基础词汇的累积。