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Science & ResearchAug 9, 2026

MMMAS: A Mendelian Mismatch Matrix Analysis System for Deterministic Pre-Screening of Germplasm Collections

Germplasm collections are expanding, yet erroneous pedigree records, duplicate accessions, and undocumented kinship remain widespread.

Germplasm collections are expanding, yet erroneous pedigree records, duplicate accessions, and undocumented kinship remain widespread. We present MMMAS (Mendelian Mismatch Matrix Analysis System) v1.0.0, an open-source tool that converts pairwise Mendelian mismatch numbers (Mmn)…

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