Scientists Trace Humanity’s Roots — And All Humans Might Be Related to the Same Man and Woman

Adam and Eve are a popular pair within the context of religion as they were believed to be the first humans from whom everyone descended. Scientists have long debunked this theory because they do not believe that there is an Adam who was created from the dust, and an Eve who was created from Adam’s rib.

However, recently scientists have discovered some pieces of evidence that we might have descended from the same man and woman. This is because they have traced genetic markers in mitochondrial DNA, which are genes passed by mothers, and Y-chromosome DNA, which is passed from fathers, and they have found these to be similar across all human populations.

Genetic Tracing to a Common Ancestor

The fact that all humans alive today have genes that they may have inherited from two common ancestors, a man and a woman, makes other people believe the story of Adam and Eve even more. Those ancestors with whom we all share some DNA with lived approximately 150,000 to 200,000 years ago.

This already counters the Adam and Eve theory just because we know that there are humans who existed long before, and they are not the only humans alive during that time. However, only their genetic lineages are the ones that survived. It is still interesting to find out who they are and where they came from, so let’s continue.

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Meet Mitochondrial Eve and Y-Chromosome Adam

The Two People We're All Related To

The woman ancestor is referred to as “Mitochondrial Eve,” and the man ancestor as “Y-Chromosome Adam.” Importantly to know is that these two, unlike in the Bible, did not live together in the same place or time. But we know that somewhere down the road, their DNA converged and became the ones that are passed to us.

These findings highlight that there are countless genes in human history that have not been passed down throughout generations. Only the ones that nature deemed necessary to survive have been, and all of the humans alive today most likely have all of those, together with the Mitochondrial Eve’ and Y-Chromosome Adam’s genes.

A Story of Migration and Survival

Homo Sapiens originated from Africa, then went on to migrate into parts of Europe and Asia. Only select lineages have survived, and most have disappeared. In fact, we have twice as many female ancestors as males, which means that more males failed to pass on their genes in human history.

These similar ancestral genes also support the theory that we all came from Africa. If we have genes that are found in all humans, then it is most likely because some of those genes were passed down from a common place and time, before the great migration to the other continents happened.

The Limits of the Data

Science may have confirmed that there is an Adam and Eve, in the sense that we all share some parts of our DNA with them; however, they are just the most recent ancestors, through specific lineage, not all of humanity that has ever existed.

The names are from the myth or beliefs, not literal, because we did not only carry genes from these two, but they are just common among all. We also have the DNA of thousands of individuals who lived around the same time as them or even older than they are.

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Do We All Come From the Same Ancestors?

Author's Final Thoughts

These new findings may have blurred the line between ancient mythology and modern science, but we have always been more connected to one another than we realize.

We would not be here if it weren’t for our ancestors who survived to pass on their genes. Whether there really is a literal Adam and Eve, or just a shared genetic lineage, one truth is clear, and that is we are all part of the same human family.

Read more: Science Confirms Dogs Can Sense a Bad Person — They Detect Ill Intentions, Negative Emotions, and Body Language

References & Further Reading

Cann, R. L., Stoneking, M., & Wilson, A. C. (1987). Mitochondrial DNA and human evolution. Nature. https://doi.org/10.1038/325031a0

Behar, D. M., et al. (2008). The dawn of human matrilineal diversity. American Journal of Human Genetics. https://doi.org/10.1016/j.ajhg.2008.04.002

Soares, P., et al. (2009). Correcting for purifying selection: An improved human mitochondrial molecular clock. American Journal of Human Genetics. https://doi.org/10.1016/j.ajhg.2009.05.001

Poznik, G. D., et al. (2013). Sequencing Y chromosomes resolves discrepancy in time to common ancestor of males versus females. Science. https://doi.org/10.1126/science.1237619

Mendez, F. L., et al. (2013). An African American paternal lineage adds an extremely ancient root to the human Y chromosome phylogenetic tree. American Journal of Human Genetics. https://doi.org/10.1016/j.ajhg.2013.02.002