科研之友
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摘要
Humans with mosaic karyotypes may present with milder forms of birth defects than one would see in non-mosaic individuals. Mosaicism may also affect tissues, resulting in different parts of an organ manifesting varied phenotypes. We present the case of a child born with mosaic trisomy 9 and multiple congenital anomalies. Her trachea displays segmental abnormalities that suggest tissue mosaicism. We describe the endoscopic and cytogenetic findings in this child and propose a possible genetic mechanism to account for the unusual malformations.
- 出版日期2010-10
