Egg Layers, Mammals and DNA

Microbes-to-man evolutionists stack the deck with a passel of their favorite cards when it comes to reasoning about origins. Of course, they presume that evolution is a given. Add in the excuse that something in the genome is not understood, so they assume that it's leftover from our evolutionary past. When the cards are dealt, they think they have a winning hand. Not hardly! We were created, not evolved, and the evidence supports this fact.

This is your brain on evolution.
Image credit: Pixabay / derjoker

The tale of evolving from a common ancestor to an egg layer to a placental mammal is problematic in the first place, then they assume that there must be traces of our egg-layer ancestry in our DNA. There was a study a while back that where some hands at the Darwin Ranch thought they found vitellogenins in our DNA; a pseudogene remnant. To the credit of the main evolutionary community, that was doubtful and not widespread. (The theistic evolution science-and-Scripture-twisters, BioLogos, spread that fiction anyway.) So, what is this vtg, anyway? A creationist science did the research.

The grand evolutionary story claims that egg-laying creatures share a common ancestry with placental mammals. Non-mammalian vertebrates, such as birds and reptiles, lay eggs with nutritional reserves in the egg yolk to nourish the growing embryo inside. In contrast, the embryos of placental mammals are nourished through the placenta, a specialized organ attached to the uterine wall of the mother. Placental mammals are born alive and do not hatch from eggs.

The supposed transition from an egg-laying reproductive system to a placenta-based system is notoriously difficult for evolutionists to explain. In egg-laying creatures, a class of proteins called vitellogenins (vtg) plays a key role in either transporting or providing the nutritional substrate for proteins, lipids, phosphorous, and calcium in relation to formation of the egg yolk. It is believed that somehow during the course of evolution, the role of vtg proteins was replaced by the placental interface for nourishment during gestation and, after birth, by the mother’s lactation. Based on this idea, some evolutionists believe that mammalian genomes contain DNA remnants of their ancient egg-laying past.

To read the rest, click on "Evolutionists Lay an Egg: Vitellogenin Pseudogene Debunked".





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