Answer: 1. Once an altered gene is placed on an organism it can not be reversed.
2. New organism created by genetic engineering could
present ecological problems.
Explanation:
Looking at the fact that genetic engineering employ the viral vector that carries the functional gene inside the human body system, the repercussion are still unknown. They may even replace an important gene in the human body which could be dangerous to human.
Yes, of course! They may not always realize that instead of helping sometimes they're harming. They could push their child into a school that can help them for the future even though they want to try a different school. They can annoy their child and they'll get sick of it and lose interest in their subject.
Arteries and Veins transport blood away from the heart.