Another big issue is called Homology, that is the evolutionary argument that similar body structures
                                    in different animals implies decent from a common ancestor.
Again creationists argue it is a common
                                    designer that is implied, like in the case of Boeing aircraft.
A web site, The Myth of Homology, weighs in with Dr. Michael Denton's powerful argument that molecular biology argues loud and clear that homology is a failure.
Denton in his book, Evolution A Theory in Crisis, says that structures that are similar physically are quite often
                                    specified or caused by, genes that are quite different, thus they could not have evolved.
They
                                    rather argue, strongly, for a common creator not a common ancestor.
Denton says: 
Homologous structures are often  specified by   non-homologous genetic systems
                                    and the concept of  homology can seldom be   extended back into embryology.285
The Myth of Homology site says:
"This genetic question has also been raised by the well-known
                                      evolutionary biologist Gavin de Beer. In his book Homology: An Unsolved   Problem,  published in 1971, de Beer
                                    put forward a very wide-ranging   analysis  of this subject. He sums up why homology is a problem for the theory of    evolution
                                    as follows:
What mechanism can it be that results in the   production of  homologous organs,
                                    the same 'patterns', in spite of their not   being  controlled by the same genes? I asked this question in 1938, and it has
                                       not been answered.286"
The answer to the question is that they have a common designer -- Almighty God! 
The following is a somewhat rambling interview of molecular biologist, Dr. Michael Denton showing that this is a
                                    wonderfully, specially, created world, although Denton does not put it in those terms.
YouTube
                                    video Michael Denton: An Interview (39 minutes).