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African banded barb image credit: Wikimedia Commons / Citron |
When polyploidy leads to speciation, it happens very quickly, but does not add new genetic information. It may come as a surprise, but not only is polyploidy unhelpful to Darwinists, but it is consistent in a biblical creationist worldview.
Animal polyploidy does exist, though it appears to be far less common than it is in plants. As in plants, polyploidy arises as a reproductive mistake. During sexual reproduction, two diploid parents exchange genetic information. If one of their gametes produces diploid instead of the usual haploid, there is a chance that gamete will lead to a polyploid offspring. If the diploid gamete combines with the other parent’s normal haploid gamete, a triploid offspring will result. This offspring will likely be reproductively isolated. This process occurs infrequently, but it does happen.To read and consider the entire article, click on "Animal Polyploidy: A Mechanism for Evolution?"
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