Why is the Y chromosome sometimes missing from a mans DNA test results? @23andme
Why is the Y chromosome sometimes missing from a mans DNA test results?  @23andme
Uploaded September 2026 | Updated September 2026, 1 week ago
Did you know the Y chromosome can disappear? 🧬 Some genetically male people discover theirs is gone from their DNA test results. Watch to learn why this happens and what scientists think it might reveal about aging.
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Why is the Y chromosome sometimes missing from a man's DNA test results?

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