Biblical Genetics Author: Dr. Robert Carter Biblical Genetics is a vlog/podcast by Dr. Robert Carter. His posts explore modern genetics through the lens of biblical history, and vice versa. Be a guest on this podcast Language: en-us Genres: Christianity, Life Sciences, Religion & Spirituality, Science Contact email: Get it Feed URL: Get it iTunes ID: Get it Get all podcast data

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The two types of natural selection, and why each fails
Episode 8
Monday, 24 November, 2025

Natural selection comes in two forms, positive and negative. Positive selection is supposed to improve species, but Dr Rob gives a clear example where bad mutations are amplified. Negative selection is supposed to keep species from degrading, but Dr Rob uses the same example to show how it occurs too late. Based on an article from Creation.com. Notes and links: Original Article: creation.com/en/articles/two-forms-natural-selection Dr Rob’s bio: creation.com/en/people/dr-robert-carter Main Citation: Neville, M.D.C. et al., Sperm sequencing reveals extensive positive selection in the male germline, Nature 2025 | DOI:s41586-025-09448-3 Link: pmc.ncbi.nlm.nih.gov/articles/PMC12611758 Edwards, C.J. et al., Ancient hybridization and an Irish origin for the modern polar bear matriline, Curr. Biol. 21(15):1251–1258, 2011.

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