常見例句雙語(yǔ)例句The only difference is at the chromosomal level, deep inside the embryos' cells.唯一的區(qū)別在于染色體的水平,它埋藏在胚胎細(xì)胞的深處。There are two test options available between the 15th and 18th weeks to screen for chromosomal abnormalities and neural tube defects such as Down’s syndrome and spina bifida.在15周到18周之間有兩個(gè)極好的檢查可以選擇來(lái)甄別染色體異常和神經(jīng)管缺損癥狀,比如:唐氏綜合癥和脊柱裂。To check an egg for chromosomal abnormalities, doctors use a laser to make a small incision in the outer membrane, which allows them to extract the polar body and the chromosomes it contains.為了檢查一個(gè)卵細(xì)胞的染色體是否異常,醫(yī)生用激光在卵細(xì)胞外膜上切一小口,通過(guò)這個(gè)小口抽取極體及其所含的染色體。原聲例句The researchers knew it would be easier and less costly to map a smaller frog with fewer chromosomal pairs.Has only half of the diploid chromosomal content that most of the cells, which are called somatic cells in our body have.卵子中只含有我們機(jī)體一半的染色體,二倍體基因組中一半的染色體,這些二倍體細(xì)胞稱為體細(xì)胞耶魯公開課 - 生物醫(yī)學(xué)工程探索課程節(jié)選They're not chromosomal differences because this is the ordinary process of mitosis.它們的染色體沒有任何變化,因?yàn)檫@是正常的有絲分裂過(guò)程耶魯公開課 - 生物醫(yī)學(xué)工程探索課程節(jié)選權(quán)威例句However, amniocentesis has an advantage in that it tests for a variety of chromosomal and genetic issues.FORBES: Aria Diagnostics Emerges From Stealth With New Blood-Based Prenatal TestThanks to advances in chromosomal technology, science types are unlocking many of the mysteries of our genetic makeup.FORBES: All your genes are belong to us 返回 chromosomal