100 percent, because if both parents have the same genotype of Tt then most likely the child will have 100percent.
D.many experimental trials with results that support the claims
Answer:
Other important ethical issues relate to informed consent of both donors of gametes and embryos as well as recipients of stem cells and stem cell products. Further, there has been some concern related to the commercialization of the process, justice, and the responsible conduct of research.
Explanation: