A.
基因在基因组中是被非基因序列间隔开的 (Genes are separated by non-genetic sequences in the genome)
B.
基因和基因之间被内含子隔开 (Genes are separated from genes by introns)
C.
基因的蛋白质编码序列在DNA水平是被打断的 (The protein coding sequence of a gene is broken at the DNA level)
D.
基因在转录时是不连续的 (Genes are discontinuous during transcription)