常見(jiàn)例句雙語(yǔ)例句The results indicated that nutria oocytes, like other rodent oocytes, can be matured in vitro, complete first meiotic division and discharge first polar body.結(jié)果表明海貍鼠卵母細(xì)胞與其它嚙齒動(dòng)物的卵母細(xì)胞一樣,能夠在體外培養(yǎng)成熟,完成第一次減數(shù)分裂,排出第一極體。Conclusion: The twin girls originate from dizygotic and the extra chromosome 21 of the elder sister is from nondisjunction during the first meiotic division of the mother.結(jié)論孿生姐妹為異卵孿生,孿生姐姐額外的2 1號(hào)染色體來(lái)自于母親第1次減數(shù)分裂不分離。The main meiotic chromosomal aberration of PMC are multipolar division, loose pairing, inversion, tetravalent, interlocking chromosome, unequal segregation, straggling chromosome, bridge and laggards.上述不育系花粉母細(xì)胞減數(shù)分裂的染色體畸變是:多極分裂、疏松配對(duì)、倒位、四價(jià)體、互鎖染色體、不等分離、拖曳、橋、落后等; 返回 meiotic division