Rebecca and Thomas have three sons.Rebecca is pregnant with another son.Studies by Ray Blanchard and Anthony Bogaert indicate that the chances of the fourth son being homosexual is ________ percent.

Question

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Studies by Ray Blanchard and Anthony Bogaert suggest that each older brother increases the odds of a male being homosexual by about 33%, with a baseline probability of around 2-3%. For the fourth son, this would increase the probability to approximately 5%.

Rebecca and Thomas Have Three Sons