Genes can be selfish without the individuals who carry them being selfish. Because genes are carried by a group, and the survival of the group means that the ge

Genes can be selfish without the individuals who carry them being selfish. Because genes are carried by a group, and the survival of the group means that the gene will survive, so self sacrificing behaviur can be selected for. That isn't to say that people don't instinctively care for their own children. Although maybe there may be no such instinct and we are just taught from birth to do so by our own parents behaviur - which some may not learn. Maybe. A lot of things seem to be a mixture of nature and nurture I guess. Just that, it is possible for behaviurs like the one we are discussing to be selected for.