单词：chromosome abnormality
chromosome abnormality的用法和样例：
例句
- Miscarriages are usually caused by abnormal chromosome patterns in the fetus.流产通常是因为胎儿的染色体异常造成的。
- Chromosome abnormality is an important factor involved in male infertility and gonadal hypoplasis.染色体异常是影响男性不育和性腺发育不全的重要因素。
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