# Beyond Reasonable Doubt? A Test for Common Ancestry

**URL:** https://discourse.peacefulscience.org/t/beyond-reasonable-doubt-a-test-for-common-ancestry/1029
**Category:** Conversation
**Created:** [August 6, 2018, 4:28pm UTC](https://discourse.peacefulscience.org/t/beyond-reasonable-doubt-a-test-for-common-ancestry/1029 "2018-08-06T16:28:56Z")
**Posts on this page:** 1
**Showing post:** 71

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### Author: ![swamidass](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.peacefulscience.org/swamidass/32/3_2.png) [@swamidass](https://discourse.peacefulscience.org/u/swamidass)
#### Post date: [August 17, 2018, 6:57am UTC](https://discourse.peacefulscience.org/t/beyond-reasonable-doubt-a-test-for-common-ancestry/1029/71 "2018-08-17T06:57:13Z")

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> [@Ashwin\_s](#):
>
> We cant say that for certain… For example, in our experience DNA/RNA seems to be a single/limited solution to a problem. We don’t know if other solutions exist.

What experience do you actually have here? We actually know this is totally and demonstrably false.

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