When something is obviously true, it can't back up other claims. It's not about a genetic bottleneck or an "original pair". Often misunderstood: your Y chromosome traces back to your paternal grandfather and your mitochondria to your maternal grandmother.

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Genetic inheritance is indeed a fascinating topic. Understanding how our Y chromosome and mitochondria trace back to specific ancestors can provide valuable insights into our family history and lineage. It's important to differentiate between what is scientifically proven and what is merely a misconception when discussing genetics.