例句與造句

1. analysis of the sequence variation of cytochrome b gene indicated that there is no evidence of insertions or deletions, i . e ., they are all of identical length of 1143 bp in all the sequences of cytochrome b gene . further, the sequences can be fully translated into amino acid using chicken mitochondrial codon without nonsense mutations or intervening stop codons . the 1143 bp cytochrome b alignment contained 416 variable sites, of which 306 were parsimony informative sites with the strongest variable in third codon positions and less variable in first and second codon positions
   細胞色素b基因序列變異分析表明：1）雁形目鳥類細胞色素b基因全序列長度一致，無插入和缺失：對照雞線粒體密碼子系統(tǒng)全序列能全部翻譯成氨基酸序列，無無義突變，全序列內部無終止密碼子；2）序列比對后1143加，含416個核著酸變異位點，306個簡約信息位點，其中處于密碼子第三位的變異最大，第一位和第二位堿基的變異相對較小。
2. It's difficult to find second codon in a sentence. 用second codon造句挺難的