I would assume that the early stages of pregnancy are most crucial for the development of the foetus. This would generally be the development of vital body parts such as the brain and we know a dud brain is a birth defect. In the late stages, pretty much everything that is vital for survival is fully developed.
hope this helps
The answer to the question above is letter "C. enables humans to live forever". Human beings, as we are, we are bound to face death when time comes and that we are not immortal. Other choices are beneficial uses of the genetic engineering.
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Religious practice, s** expectations, gender roles. Those are HUGE encumbrances that can effect a relationship when two people come from different cultures. And are well worth discussing prior to starting a relationship with someone from a different culture .
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