As Dawkins points out in `Selfish Gene`, it's the DNA sequence that's the evolutionary entity. For example, all mothers (and most fathers) protect their young e

As Dawkins points out in `Selfish Gene`, it's the DNA sequence that's the evolutionary entity. For example, all mothers (and most fathers) protect their young even though it's a food source. Eating your own species (even children of other mothers) is counterproductive for the DNA itself, despite being productive for the particular copy of the animal doing the eating.