From listmaster animalgenome.org Tue Feb 17 20:11:08 2026
From: "Robin Everts" <revertsetalondx.com>
To: Members of AnGenMap <angenmapanimalgenome.org>
Subject: Question on Parentage analysis
Date: Tue, 17 Feb 2026 20:11:09 -0600
Hello all:
Hope this is the right place to ask this question, if not, my apologies.
I have a question for which I'd like some input.
We recently tested an animal with 17 STR Parentage markers and it was found
to contain 2 allelic discordant outcomes vs the alleged father and mother,
one allele in 2 different markers. Another lab had the exact same STR
results as we did.
We also ran 400+ ISAG Parentage SNP markers and found 0 discordant outcomes
vs both parents. We passed the ISAG parentage comparison test 2025 with a
100% correct score.
1) What do you think happened here
2) Are SNPs better than STRs? Or other way around?
3) How should this be considered with respect to real parent/offspring situation?
Sincerely,
Robin
revertsetalondx.com
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