In human,the Down syndrome is caused by trisomy for which chromosme
A.21
B.12
C.X
D.7
- · 有3位网友选择 D,占比33.33%
- · 有2位网友选择 C,占比22.22%
- · 有2位网友选择 B,占比22.22%
- · 有2位网友选择 A,占比22.22%
A.21
B.12
C.X
D.7
I need to look for some papers to add to my research report.
A. Do you like the library in our school?
B. How many papers have you read so far?
C. Why not comfortably stay at home to log onto the Web?
A、“I can solve all the doubts of humanity.”
B、“Reproachfully blank paper”
C、“If it be true that our thoughts and images are perfectly tangible things, like our books and pictures…”
A、society assessment
B、non-normative statement
C、morality
D、distributive assessment
A、luggage/baggage
B、luggage cart
C、car
D、van
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!