chromosomal change meaning in Chinese

染色体改变

So the doctors suspected that there might be chromosomal changes and brain damage . however , the tests for these problems showed no signs of abnormality
原本医生怀疑小婴儿也许有染色体突变和大脑损伤的问题，然而经过检验后，这些疑虑全都消除了。
Oogenesis was described briefly and the ways of the formation of yolk granules were explored . at first , eight stages in the oogenesis of the acrida chinensis were distinguished and described respectively , basing on the changes of the oocyte ' s size , chromosomal changes in the nucleus of the oocyte , vitellogenesis and the size of the follicle cells
在基础理论方面，本研究首先在光镜水平对中华蚱蜢卵子发生进行了阶段划分；并以此为依据，用组织化学方法对卵子发生中卵母细胞与滤泡细胞遗传物质的变化及作用，组成卵黄的生物大分子物质的生成及变化进行了初步研究。