Concordance = presence of the same trait.
Identical twins have a higher rate than fraternal because most of their DNA is identical, it’s identical because the zygote split into two so the babies shared an amniotic sack. (Zygote is fertilized egg) so the baby got duplicated meaning only one egg and sperm created two babies. Fraternal twins happen when two eggs are fertilized and grow in separate amniotic sacks. So two different babies, two different eggs and sperm.
I don’t know the first two but the last one the thousands of subunits are called nucleotides
Answer:
Both cloning and gene therapy are types of biotechnology.
Cloning is a type of biotechnology and gene therapy is not a type of biotechnology.