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Article

Within-pair differences in a-b ridge count asymmetry in monozygotic twins: evidence for a placental proximity effect.

Human heredity - 1 Jan 2000

Bogle A C, Reed T, Norton J A

Abstract excerpt

Asymmetry of a-b ridge count, a dermatoglyphic trait in the second interdigital (ID II) palmar area was studied in 314 identical (MZ) twin-pairs of known placental type. Statistically significant differences were observed for the variability of a-b ridge count with respect to placentation. Monochorionic MZ pairs displayed more within-pair variability than dichorionic MZ twins. Within dichorionic pairs, greater...

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Identifiers

PMID: 8039800
DOI: 10.1159/000154209

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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