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A comment on Genes, blood type tied to risk of severe Covid-19. Parent comment

Re:Genes, blood type tied to risk of severe Covid-19 by thephyber on Thursday June 18, 2020 @11:20AM (#23563891)
The prior part of the paragraph that you didn’t copy pasta was critical in understanding context here.

The study didn’t look at blood types directly, but looked at genes which express as those two blood types, finding that the genes correlate with supplemental oxygen need during severe symptoms.

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Re:Genes, blood type tied to risk of severe Covid-19 by dnautics on Thursday June 18, 2020 @12:39PM (#23564847)
Blood type phenotype correlates nearly exactly one to one with their synthesis gene genotype, so this semantic distinction is not very important.
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Re:Genes, blood type tied to risk of severe Covid-19 by DoofusOfDeath on Thursday June 18, 2020 @11:34AM (#23564034)
IIUC, you're saying that the genetic markers in question correlate perfectly with blood type.

If so, then why would it matter whether the comment framed the issue in terms of blood type vs. those genes?

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Re:Genes, blood type tied to risk of severe Covid-19 by sudosysgen on Thursday June 18, 2020 @12:40PM (#23564859)
Since those genes are 99.9% accurate predictors of blood type, I think that's a distinction without a difference.
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Re:Genes, blood type tied to risk of severe Covid-19 by mschuster91 on Thursday June 18, 2020 @11:31AM (#23563999)
A blood type test is easier, faster and cheaper for a hospital to do than a genetic sequencing.
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Re:Genes, blood type tied to risk of severe Covid-19 by ralusek on Thursday June 18, 2020 @12:54PM (#23565028)
Can you please elaborate on the caveat, I don't follow.
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