Please refer to the Comptroller's publication Texas Property Tax Exemptions (PDF) for more information about these exemptions. Most of these exemptions have specific application forms that can be found through the exemption forms link in the box above.
The fetal DNA in a mother's blood can already reveal an infant's sex and other traits inherited from the father. But picking out a fetus's entire genome from its mother's is much tougher, says Dennis Lo, a chemical pathologist at the Chinese University of Hong Kong, who led the study.
The placenta serves as an interface between the mother and the developing fetus and has three main jobs: 1  Attach the fetus to the uterine wall. 2  Provide nutrients to the fetus.  Allow the fetus to transfer waste products to the mother's blood.