Sex (XX and XY genomes) and brain differences

http://journal.frontiersin.org/article/10.3389/fneur.2016.00087/full

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3969295/

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2711771/

Genrism is just a trend to get funding from tax payer money with the PC stamp!

No it is not a choice you are genetically brain wired!