The human sex ratio has long been of interest to biologists, statisticians, demographers, sociologists, and economists. Here, we showed that within each sibship size, sex at birth did not conform with a simple binomial distribution and identified a significant intramother correlation in offspring sex.
Kareem is Ashanti's first child, while Nelly has two older kids with ex-girlfriend Channetta Valentine and also adopted his niece and nephew after his sister's death.