她研究染色体，染色体是基因线，她在基因和染色体研究方面有了好几个发现。
She studied chromosomes, which are lines of genes. She made several discoveries about genes and chromosomes.
但是，基因线的差别存在于多种质量领域。这表明在生产高质量的猪肉是必须考虑基因的问题。
However, genetic line differences were found for many quality traits, indicating genetic background must be considered in the production of high-quality pork.
今后的研究必须进一步解决第二代瘦肉精莱克多巴胺对基因线的作用，而影响肌肉间的脂肪成分。
Future research must further address the interaction of ractopamine with genetic line for percentage of intramuscular fat.
今后的研究必须进一步解决第二代瘦肉精莱克多巴胺对基因线的作用，而影响肌肉间的脂肪成分。
Future research must further address the interaction of ractopamine with genetic line for percentage of intramuscular fat.
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