答案就是一种单分子，这种费洛蒙通过雌性乌贼的生殖腺渗入卵鞘。
It is a single molecule: a pheromone protein incorporated into the outer layer of egg capsules by glands in the female reproductive tract.
而单卵双胞胎间的得分明显地比异卵双胞胎的接近.研究人员对比实验了视觉和一般物体的辨认和记忆能力上的不同.
And scores weresignificantly more matched betweenidentical as opposed to fraternaltwins. The researchers controlled fordifferences in vision, generalobject recognition and memory.
另外，将来有关单卵双胞胎原因更多的信息可以直接通过出生后核对胎盘和羊膜囊的数目来获得。
In addition, more information about the cause of monozygotic twins could be collected in the future by a straightforward check of the Numbers of placentas and sacs when the babies are born.
为使天敌能大量人工繁殖，从分子生物学角度对单头桑天牛卵啮小蜂基因组DNA的提取方法及RAPD反应条件进行了探索。
In order to propagate more Aprostocetus prolixus, we studied the method of genomic DNA extraction and optimization of RAPD ana- lytic conditions.
有关孪生子的研究预告，本病单卵孪生的同病率比双卵孪生一般高4 ~6倍，寄养子也是如此。
Notice to twin studies on the disease with the disease monozygotic twins than dizygotic twins rate of 4 to 6 times the height of the foster child as well.
雌螈的产卵量为80粒左右，卵单生，外表缺乏粘性，往往成堆留在地面。
The egg-laying amount of a female salamander is 80 or so. The egg is solitary, lacks of viscosity, and often remains in pile in the ground.
单侧输卵管切除的患者中输卵管切除侧卵巢获卵数少于对侧，但差异无显著性。
Among the patients who had undergone salpingectomy, there were no differences in the Numbers of retrieved oocytes from the ovary on the operated side and contralateral side.
单侧输卵管切除的患者中输卵管切除侧卵巢获卵数少于对侧，但差异无显著性。
Among the patients who had undergone salpingectomy, there were no differences in the Numbers of retrieved oocytes from the ovary on the operated side and contralateral side.
应用推荐