单词 | pronucleus |
释义 | pronucleus (once / 211060 pages) n WORD FAMILY pronucleus: pronuclei USAGE EXAMPLESThese are transferred to the donor embryo, which is packed with healthy mitochondria and has its pronuclei removed. BBC(Jan 31, 2015) Then the embryologist eases a pipette into the hole and plucks out the pronuclei, twin genetic structures that result from fertilization. Nature(May 20, 2014) If the oocyte is fertilized, Ramos will see the formation of two pronuclei, then the fusion of the diploid cell, or zygote. Slate(May 23, 2012) n the nucleus of the ovum or sperm after fertilization but before they fuse to form the nucleus of the zygote Hyper cell nucleus, karyon, nucleus a part of the cell containing DNA and RNA and responsible for growth and reproduction |
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