The answer is B. Natural selection will find a way to affect one, then that one will affect many others.
Answer:
The correct answer would be
- It cures all cases of cystic fibrosis.
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It involves the modification of DNA.
- It attempts to replace a mutated gene with normal DNA.
- It does not always cure patients who use it.
Gene therapy is an experimental technique used to treat the genetic disorder by transplanting the normal gene into the cell in order to replace the missing or defective gene in a cell.
It helps in treating genetic disorders such as cystic fibrosis, hemophilia et cetera.
It can be of two types of somatic gene therapy and germline gene therapy.
If you sequence the dna of human as well as chimpanzees almost 99% of the sequence are similar showing they are phylogenetic related