2009-03-12, 08:59 PM
Unless the gender of the previous child somehow affects the probablity of the next child being a certain gender, the gender of the first child is completley irrelevant. Chromosomes assort randomly each time despite preivous fertilizations (random assortment of X and Y chromosomes always leads to a 50% chance for each gender under normal conditions), so there is no practical way that the previous kid can affect the gender of the next kid.
It has to be 50%
It has to be 50%