【摘要】 用红宝石激光微束照射黑眶蟾蜍卵二细胞期的卵裂沟，具有产生双头或双头双尾的骈联胚。本文对获得的三只骈联胚进行研究。更多还原

【Abstract】 Twin embryos of toads were obtained by the ruby laser micro-irradiation of the first cleavagefurrow of the eggs,Two embryos wit h double heads a nd one embryo with double heads and tails were stud-ied.更多还原