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 fetus receives its nutrition from the mother through the placenta and the umbilical cord. The placenta--defined as a temporary organ consisting of blood vessels and membranes that unite mother and fetus--begins to develop as the blastocyst, a hollow ball of cells, implants in the uterus.