3 links have been added on this idea.
  1. Lol, are we placing a bet by ourselves or has our DNA already made the decision for us? Previous attempts to explain evolution had been academic and rooted in maths. Dawkins walked us through it in prose

  2. Although I wouldn’t gamble my life on my parents – although they share the same amount of DNA as my siblings, the siblings are more likely to propagate our shared genes. From an interesting article about it all here https://www.geneticsdigest.com/are-you-genetically-closer-to-your-parents-or-siblings/