About the first set of information. It notices a difference between the operation of the male brain versus the female brain. However we must remember that this data is:
INCONCLUSIVE!!!
One mistake that many cultures hive made is data such as that as support for racism, xenophobia and genocide.
The entire debate about intersexed people is an interesting one. I think one way the Christian community can come to terms with this and many other things is to understand that God made the world a logical one with rules and regulations all the way down to the subatomic level that allow for amazing varients in the macro and even micro-scopic level. Life, as far as we can tell, started as RNA becoming DNA and copying itself... Badly. Our reproductive systems is in fact designed to make a screwy copy of us and our partner in order to make the widest range of people so that if a catastrophy were to hit some people would still survive.
With this understanding of how we are made and make young children worthy of a soul, we can also begin to understand things such as intersexuality and homosexuality (yes, like risk for cancer or heart disease, risk for homosexuality is most likely inherited from a parent genetically and also like those diseases it cannot be cured short of removing the tissue or organ. Namely, the brain.) and understand that they are people too and as long as they live their lives not hurting other people, they should be left well enough alone.