Question

why organisms do not create exactly same copies of them

Answer 1

Asexually reproducing organisms canmake exact copies of themselves. But it is impossible that all organisms produce similar organisms. In sexually reproducing organisms there isvariation due to the combination of genes. The variation may be in their structural and physical appearance.

Answer 2

Asexually reproducing organisms can make exact copies of themselves. But it is impossible that all organisms produce similar organisms. In sexually reproducing organisms there is variation due to the combination.