Blood classification system

6 Down3 lettersTuesday, 06 July 2021

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Keywords
classificationsystemblood
Answer appears in 11 other puzzles
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About this clue

This clue appeared in the NYT Crossword on Tuesday, 06 July 2021. The answer ABO is a 3-letter entry.

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Frequently asked questions

What is the answer to "Blood classification system"?
ABO
How many letters is the answer to "Blood classification system"?
The answer has 3 letters.
When was this clue last seen?
This clue last appeared in the NYT Crossword crossword on .
Has this crossword clue appeared before?
Yes. Variations of this clue have appeared 11 other times.

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