目的探讨染色体异常和身高的多基因遗传因素在身材矮小女童中对矮小身材产生的作用。
Objective to explore the effect of chromosomal abnormality and polygenic inheritance factor in female children with short stature.
染色体易位植入前基因检测能够区分正常和异常染色体的胚胎。
Preimplantation genetic testing for chromosomal translocations is able to distinguish between chromosomally normal and abnormal embryos.
科学家已经知道alk的异常和淋巴瘤还有肺癌的的发病有关。ALK的异常引起染色体之间DNA的置换，从而引起新的癌症基因的突变。
Scientists already knew that abnormalities in ALK were linked to lymphoma and lung cancer, where it triggers the translocation of DNA between chromosomes to make new cancer-causing genes.
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