哺乳动物是从母体中分娩出来的。
此时人类最好的朋友也被加入到克隆动物的列表上，韩国科学家宣称，以阿富汗猎犬为母体，他们创造了世界上第一支雄性克隆狗。
Man's best friend joined the list of cloned animals as South Korean scientists led announced they had created the world's first cloned dog from an Afghan hound.
克隆制作的主要步骤是从人体或动物身上提取一个细胞，经过复杂的过程慢慢培养和母体一模一样的生物体。
Clone made the main steps of extraction of a cell from human or animals, through a complex process of slowly training and maternal identical organisms.
对于动物来说，在群体中占据高位或者拥有丰富的食物资源的母体更有可能生产雄体。
In animals, more sons are produced when a mother ranks high in the group or has plentiful food resources.
主要利用分子生物学和细胞生物学方法，研究哺乳动物胚胎与母体之间的相互作用机理。
The interaction between mammalian embryos and mothers is analyzed using the approaches for molecular biology and cell biology.
对动物的研究发现，来自母体的压力会放大接触到的过敏源对胎儿的免疫系统的影响。
Studies in animals have found that a mother's stress amplifies the effects of allergen exposure on the immune system of the developing offspring.
对怀孕哺乳动物的氧转运研究表明，当在相同条件下测定时，胎儿与母体血的氧饱和曲线显著不同。
Studies of oxygen transport in pregnant mammals have shown that the O2-saturation curves of fetal and maternal blood are markedly different when measured under the same conditions.
对怀孕哺乳动物的氧转运研究表明，当在相同条件下测定时，胎儿与母体血的氧饱和曲线显著不同。
Studies of oxygen transport in pregnant mammals have shown that the O2-saturation curves of fetal and maternal blood are markedly different when measured under the same conditions.
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