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the claim

Siblings with the same biological parents can have different ABO blood types.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that siblings with the same biological parents can have different ABO blood types?

Yes. The ABO blood group reference states that blood type is determined by which alleles a child inherits from each parent, so children of the same parents can inherit different combinations and thus different ABO types. A case report also notes biological siblings who differ at ABO loci.

Verdict: SUPPORTED · 3 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 3
ABO blood group system
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ABO blood group system. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/ABO_blood_group_system

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More for · 2
Clinical application of DNA microarrays: Molecular diagnosis and HLA matching of an Amish child with severe combined immune deficiency
2008
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Clinical application of DNA microarrays: Molecular diagnosis and HLA matching of an Amish child with severe combined immune deficiency. (2008). doi.org. https://doi.org/10.1016/j.clim.2008.02.016

Why are there blood types? why did the antigens develop in the first place? what account for difference in blood types? What account for larger number of rarer non-abo blood types? what role blood types have in fighting disease?
2022
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Why are there blood types? why did the antigens develop in the first place? what account for difference in blood types? What account for larger number of rarer non-abo blood types? what role blood types have in fighting disease?. (2022). doi.org. https://doi.org/10.33140/jnh.07.04.07

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