Answer:
harmful effect and no effect
Explanation:
No effect: most mutated genes destroy themselves before it gets to far
Harmful effect: an example of harmful effects would be down-syndrome (where you have 3 21-chromosomes and you are only supposed to have 2)
Answer:
According to the current fossil record, scientists believe that the life on earth began about 3.5 billion years ago.
Answer:
the characteristics of herbaceous stems are a, b, and d.
Explanation:
Answer:
Substitute the P-II promoter (makes RNA II) for one that is stronger, or mutate the P-I promoter to make it weaker.