Answer:
Science is about understanding the world, but it's a process rather than a body of knowledge. Scientific knowledge is what we learn from the scientific process, which involves experimenting and collecting data. Part of the scientific process concerns what you do after data has been collected.
1. is 0% because the dominant trait takes over
2. is 25% chance
Theory can be changed based on new research but law is backed up with immense info and is has not been broken once