常見例句雙語例句Conclusion Chromosome abnormality is one of the causes of spontaneous abortions.結(jié)論：染色體異常是導(dǎo)致反復(fù)自然流產(chǎn)的原因之一。Objective To investigate the influence of chromosome abnormality on male reproductive ability.目的探討染色體的異常對男性生育能力的影響。Abnormality of chromosome behavior occurs from premeiotic mitosis until various stages in meiosis, thus resulting in pollen abortion and self-sterility of the hybrid plants.從再生植株花粉母細胞減數(shù)分裂前的有絲分裂開始到整個減數(shù)分裂過程中都可以看到染色體行為的異?，F(xiàn)象，從而形成敗育花粉，造成雜種不孕。 返回 chromosome abnormality