Answer:
i really want to help, but i am not able to go to your profile. let me try again
Till this day We are always learning more and more so I think this can be helpful for future vaccines of diseases
They are made of protein and one molecule of deoxyribonucleic acid (DNA). As the genetic material passes from parents to child, the chromosomes are responsible for containing the instructions that make the offspring unique while still carrying traits from the parent.
A) a common ancestor
Homologous structures are structures that are similar in related organisms. There is a basic pattern of bones which can be inherited from a common ancestor