核內多倍體核 的英文怎麼說
中文拼音 [hénèiduōbèitǐhé]
核內多倍體核
英文
endopolyploid nuclei-
Endomitosis the duplication of chromosomes without division of the nucleus, causing polyploidy and leading to an increase in nuclear and cytoplasmic volume
核內有絲分裂:在細胞核不分裂的情況下進行染色體復制,產生多倍體並使細胞體積增大的一種有絲分裂形式。Embryonic stem ( es ) cells are pluripotent cells derived from the inner cell mass ( icm ) of early blastrocyts, which possess the ability of unlimitted proliferation and maintain normal dipoid keptypes under differentiation - inhibited culture in vitro, they will differentiate into multiple lineage cell types or occur commentent and differentiation without differentiation - inhibited factors or hi presence of certain induced - factors.
胚胎幹細胞( es細胞) ,是存在於早期胚胎內細胞團( icm )的一種多潛能細胞。在體外抑制分化培養時, es細胞可無限增殖並保持正常的二倍體核型,一旦撤除分化抑制因素,或添加適當誘導劑, es細胞可發生譜系分化或定向分化。580bp mitochondrial d - loop gene segments of sparus latus catched in sea from haikou ( hainan province ), xiamen ( fujian province ), zhuhai ( guangdong province ) were amplified with pcr technique and sequenced. high genetic polymorphism in three populations was examined. 33 nucleotide sites ( 5. 7 % ) were variable
結果發現, 3個地理群體內和群體間都存在豐富的dna序列多態性,共檢測到33個多態性核苷酸位點( 5 . 7 ) , 24個個體具有22種單倍型( haplotype ) 。
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