异染色体的 allosomal ; heterosomal
异染色体组的 [遗] anisogenomatic
具有标记异染色质的个体 Individuals with marker heterochromatin
对染色体异常的产前筛查 Antenatal screening for chromosomal anomalies
兼性异染色质是在特定细胞发育命运中可能具有转录活性的异染色质。
Facultative heterochromatin is the heterochromatin that may become transcriptionally active in specific cell development fates.
至于大量的异染色质还有什么作用仍然是一个问题。
What other functions abundant heterochromatin may perform are still an open question.
目的分析疑有染色体异常个体的9号染色体异染色质区的变异。
Objective:To analysis the aberration of chromosome 9 heterochromatin for persons suspected to have chromosome abnormalities.
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