In experiments, an injection of cytoplasm from dextral eggs changes the pattern of sinistral eggs, but an injection& nbs p; from sinistral eggs does not influence dextral eggs.

 
  • 在實(shí)驗中,用取自右旋卵子的細胞質(zhì)進(jìn)行的注射,可改變左旋卵子的模式;用取自左旋卵子的細胞質(zhì)進(jìn)行的注射卻不能影響到右旋卵子。
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