chromosome abnormality

基本解释

Conclusion Chromosome abnormality is one of the causes of spontaneous abortions.
结论：染色体异常是导致反复自然流产的原因之一。
Objective To investigate the influence of chromosome abnormality on male reproductive ability.
目的探讨染色体的异常对男性生育能力的影响。
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.
从再生植株花粉母细胞减数分裂前的有丝分裂开始到整个减数分裂过程中都可以看到染色体行为的异常现象，从而形成败育花粉，造成杂种不孕。