What is genetic variation among all modern humans primarily due to?
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Genetic variation among all modern humans primarily is due to two main factors: mutation and recombination.
Mutation is a process in which changes occur in the DNA sequence, which can be caused by various factors like mistakes during DNA replication or exposure to environmental factors such as radiation. Over time, accumulated mutations can lead to genetic diversity among populations.
Recombination is a process in which genetic material is exchanged between homologous chromosomes during the process of meiosis. This process results in new combinations of genetic material, which leads to genetic variation in offspring.
Overall, genetic variation among all modern humans is the result of a combination of both mutation and recombination events over time. This genetic variation is what helps make each individual unique and contributes to the diversity we see in human populations today.
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