In humans, Preimplantation Genetic Diagnosis (PGD) is a gene…
In humans, Preimplantation Genetic Diagnosis (PGD) is a genetic reproductive technology that allows a doctor to remove a single cell from an 8-cell stage embryo and test the single cell for the presence of genetic problems. As long as there are no genetic problems, the remaining 7-cell embryo develops normally (and eventually becomes a child). This technology is possible because at the 8-cell stage of development, human cells are: _______________________________ (Select all that apply)