在那些例子中，细胞核和细胞质融合在一起，杂交细胞制造出了表达两种动物遗传密码、完美运转的酶。
In those instances nuclei as well as cytoplasms came together and the hybrid cells made perfectly functioning enzymes that expressed the genetic code of two types of animal.
由于缺乏动物识别、记录和评价计划，因而人工授精技术通常用于与进口种质资源的杂交，而并非当地的优良遗传资源。
AI is usually used for crossbreeding with imported germplasm rather than for superior local genetics, due to the paucity of animal identification, recording and evaluation programmes.
他们发现，经过一段时期的高营养水平环境，在遗传学上截然不同的杂交品种产生了。
They found that, during periods of high nutrient levels, genetically distinct hybrid species emerged.
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