Answer:
AAU UCG
Explanation:
According to the base-pairing rule, the purine bases always pair with the pyrimidine bases. More specifically, Adenine always pairs with Thymine/Uracil while Guanine always pairs with Cytosine.
T - A
T - A
A - U
A - U
G - C
C - G
Hence, the transcription of the sequence TTA AGC will produce AAU UCG.
