Life Noggin, narrator Pat Graziosi explains several of the many pitfalls of cloning humans. Blocko specifically notes that although a clone is born from the same genetic material, issues such as spindle proteins, fetal environment and chromosomal shrinking, a cloned human won’t really be an exact replica of the original.
Say…we navigated our way through the complex ethical implications, and successfully cloned a human. Would your clone be just like you? …You’d expect your clone to look the same, right? Isn’t that what cloning is? Well you may be surprised to learn that your clone could look completely different!