Maternal RhD heterozygous genotype is associated with male biased secondary sex ratio
S. Kankova, J. Flegr, J. Toman, P. Calda
The study finds that RhD heterozygous mothers have a male-biased secondary sex ratio, supporting the Trivers-Willard hypothesis and suggesting health advantages for heterozygotes.
bioRxiv · Feb 8, 2019Evolutionary Biology