— ________.
A:Sorry, you couldn't
B:OK
C:Yes, you could
D:Please ask your mother
下列解释正确的是 ( )
某转录下来的信使RNA的碱基中,腺嘌呤占20%,尿嘧啶占16%,则其模板DNA双链中的鸟嘌呤占( )