Questions to consider:
When does the human being acquire (Full or partial) moral status?
Does the moral status of an embryo created in vitro (by either IVF or SCNT) different from an in vivo fertilization made one?
What are the evidences supporting your argument/ viewpoint
Use scientific facts but not as the only source of evidentiary
support. It should be a mixture of science and non science moral ideas
such as religions, philosophies, and ethics.