A new study published in the journal Nature Genetics has found that the size of the human genome is driven by dynamic processes that cause variation between individuals. The research team used a large-scale analysis of genetic and epigenetic data from over 200 individuals to determine how genome size varies and what factors are driving this variation. They found that the size of an individual’s genome is determined by a combination of genetic and epigenetic processes, such as gene duplication, rearrangement, and methylation. This suggests that the size of an individual’s genome is not static, but rather is constantly changing in response to different environmental and genetic factors. This could explain why some individuals have larger or smaller genomes than others. The findings could have implications for understanding the development of diseases and how to best treat them.

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source: Phys.org