How Many Changes…in 10 Million Years?

Posted by on Feb 4, 2020 in Creation Nuggets | 0 comments

 

How many changes can happen in our DNA even given 10 million years?

“Imagine a population of 100,000 apes, the putative progenitors of humans. Suppose that a male and a female both received a mutation so beneficial that they out-survived everyone else; all the rest of the population died out—all 99,998 of them. And then the surviving pair had enough offspring to replenish the population in one generation. And this repeated every generation (every 20 years) for 10 million years, more than the supposed time since the last common ancestor of humans and apes. That would mean that 500,000 beneficial mutations could be added to the population (i.e., 10,000,000/20). Even with this completely unrealistic scenario, which maximizes evolutionary progress, only about 0.02% of the human genome could be generated.

However, with more realistic rates of fitness/selection and population replenishment, the number of beneficial mutations that can be accounted for plummets. Haldane calculated that no more than 1,667 beneficial substitutions could have occurred in the supposed 10 million years since the last common ancestor of apes and humans. This is a mere one substitution per 300 generations, on average. The origin of all that makes us uniquely human has to be explained within this limit.”

This is called Haldane’s Dilemma and the author of the article continues to say: “Haldane’s dilemma was discussed a bit in the 1960s, but since then has been largely ignored in evolutionary journals. Genetics and biology texts did not, and do not, discuss the problem. In 1992, the high-profile evolutionary geneticist George C. Williams remarked that ‘The time has come for renewed discussion and experimental attack on Haldane’s dilemma’.3 His plea apparently had no effect on his evolutionary colleagues.”

Read more about this here: https://creation.com/haldanes-dilemma-has-not-been-solved

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