Now the core of natural selection is the claim that phenotypic traits are selected for their adaptivity, that is, for their effect on fitness.
目前自然选择的核心观点是表型性状因其适应性而被选上。
The results suggest that the Y chromosome heterochromatin appears to have a modifying effect on the phenotypic relationship between morphophysiological traits during human ontogenesis.
结果表明，Y染色体异染色质可能在人的个体发育过程中对形态生理学性状间的表型关系起一种修饰作用。
Objective To study the effect of HBV-DNA positive serum on phenotypic transformation of renal tubular epithelial cells.
目的研究HBV - DNA阳性血清对肾小管上皮细胞表型转化的作用。
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