ArticleMolecular genetics and genomics : MGG2023
Maternal uniparental disomy of chromosome 21 as a cause of pseudo-exclusion from paternity.
Article in Molecular genetics and genomics : MGG, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed, 2 citations in OpenAlex.
- Lessons from a phenotypically normal infant with uniparental isodisomy of chromosome 21: a Case Report and review.Frontiers in genetics · 2025Article
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3 authors at 1 institution in 1 country.
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Abstract
Uniparental disomy (UPD) is a rare chromosomal condition, which apart from its importance in medical genetics can affect an outcome of parentage DNA testing, often causing pseudo exclusions. We describe a case of trio paternity test using 24 informative STR loci with potential exclusion at 2 systems located on chromosome 21. Consequent genotyping of an additional 25 autosomal and 27 Y-specific STRs revealed one other inconsistency, also located on this chromosome. All three inconsistent markers had the same heteroallelic state between the child and the biological mother providing evidence for maternal heterodisomy of chromosome 21. The case highlights the importance of considering UPD as a cause of genetic inconsistencies, especially when the inconsistent marker systems are located on the same chromosome.
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