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Q: Why do lethal genes still exist in populations?
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How was the land repaired from the atom bomb?

It wasn't. Lethal amounts of radiation still exist in certain areas.


Are mouse spiders lethal?

they are rarely lethal but can still kill a human


Are mountain lions native to Indiana?

Historically, yes, they were once found there. It is possible that a small population may still exist in wild areas, where human populations are low.


If evolution is true why are there still single cell primitive organisms?

Single cell organisms still exist because populations evolve, rather than entire species. Additionally, if an organism is fit in it's environment, it is not pressured into evolving.


Does the Atahualpa still exist?

yes, because we still exist


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Yes, they still exist.


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Yes they still exist


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Yes, THEY STILL EXIST


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What are essential genes and non essential genes?

Essential genes are genes that are indispensable to support cellular life. These genes constitute a minimal gene set required for a living cell. Nonessential genes are the opposite. The cell can still live without them.


If black hair is dominiant why blonde hair still exist?

Ressesive genes my friend. Two ressesives make blonde, while you can still get black while have a dominat and a ressesive. Therefore the gene is still carried on from the random selection of DNA during mitosis in the egg or sperm cell.