染色体结构异常

chromosomal abnormality abnormality chromosomal congenital abnormality behavioral abnormality structural chromosomal variation chromosomal race chromosomal fibre chromosomal deficiency chromosomal shift chromosomal sterility structural chromosomal abnormality Chromosomal abnormality syndrome atructural chromosomal abnormality sex chromosomal abnormality chromosomal structural change structural chromosome abnormality structural chromosal abnormality Chromosomal abnormality in fetus affecting obstetrical care