by Don Batten

My childhood best friend looked so much like me that our teachers, and even our friends, had a lot of trouble telling us apart. ‘Are you twins?’, we were often asked. However, there was no family connection as far back as anyone could trace. The similarity in our appearance was not due to being closely related—or, putting it another way—due to us having a recent common ancestor, like a common father, grandmother, or even great grandparent. It was just a ‘fluke’.

If living things had a common creator/designer, we would expect there to be many similarities

The main (only?) argument for evolution is that similarities between living things are due to relatedness, or common ancestry. If two kinds of animals share a lot of common features, then they are ‘obviously’ closely related and so must have had a recent common ancestor—or so the evolutionary reasoning goes.1,2 Birds, for example, all lay eggs, have feathers and a specialized lung comprised of interconnected air sacs, so the evolutionist would say all birds had a common ancestor which had these features. Creationists would say that birds have these similarities because they were created with a common basic plan. People would assume that because my friend and I were so similar we must have shared a very recent common ancestor—like the same parents. They were wrong. In like manner, the evolutionists are often—not always—wrong in assuming similarity is due to common ancestry.

Dog cousins

Of course my friend and I are members of the same human kind and so we know that we had a common ancestor—who was a descendant of Japheth, in this case. However, the analogy is accurate—that the degree of similarity in appearance does not necessarily indicate the degree of genetic relatedness. As we shall see, evolutionists are forced to recognise this at times, but they (illogically) do not admit that such recognition undermines the main argument for evolution (if similarities occur that clearly are not due to common ancestry, how does the evolutionist know that any similarities are due to evolution?)….


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