Several Egyptain royal family practices brother/sister marriages. One royal line was able to maintain this practice for 16 generations before they were unable to produce both a son and a daughter to continue the practice.
Statictically, How may children woud need to be born in each generation to have a 95% probability that both a male and a female are available to continue the practice? Given an infant mortality rate of 50% how many children are need to assure the same 95% probability?
Statictically, How may children woud need to be born in each generation to have a 95% probability that both a male and a female are available to continue the practice? Given an infant mortality rate of 50% how many children are need to assure the same 95% probability?