n.单体性(染色体)

A child with Down syndrome often has monosomy 21, which means they have only one copy of chromosome 21 instead of the usual two.
患有唐氏综合症的孩子通常有21号染色体的单体，即他们只有一条21号染色体，而不是正常的两条。
The genetic disorder resulted from a spontaneous monosomy in the mother's egg during fertilization.
这句话说明：这种遗传病是由母亲卵子在受精过程中发生的自发性单体导致的。
Monosomy X is a rare condition where females have only one X chromosome, leading to certain physical traits and health issues.
这句话解释了：X染色体单体是一种罕见的情况，女性只有一条X染色体，这会导致一些特定的身体特征和健康问题。
The patient was diagnosed with monosomy 9, which explained their developmental delays and learning difficulties.
这句话表明：患者被诊断为9号染色体单体，这解释了他们的发育迟缓和学习困难。
Scientists studying monosomy 7 discovered that it significantly increases the risk of heart defects in newborns.
科学家在研究7号染色体单体时发现，它显著增加了新生儿出现心脏缺陷的风险。
Some rare forms of cancer can be traced back to inherited monosomies, altering cell growth patterns.
一些罕见的癌症形式可以追溯到遗传性的单体，改变了细胞生长模式。
Monosomy 8 is known to cause abnormalities in blood cell production, leading to anemia or leukemia in affected individuals.
染色体单体已知会导致血细胞生成异常，从而导致受影响个体贫血或白血病。
Researchers found that individuals with monosomy 15 have a higher likelihood of developing neurological disorders.
研究人员发现，15号染色体单体的人更有可能患上神经系统疾病。
Genetic counseling was provided to families with a history of monosomy, as it influences reproductive choices.
对于有单体遗传史的家庭，会提供遗传咨询，因为这会影响生育选择。
The study on monosomy 13 showed that early intervention could improve outcomes for children with this chromosomal abnormality.
关于13号染色体单体的研究表明，早期干预可以改善这类染色体异常儿童的预后。