DeCODE Genetics (DCG) has published a study that states Icelandic fathers who are in the 40’s pass down more genetic mutations than their 20 year old counter-parts. According the DCG, 97% of genetic mutations are derived from older fathers.
Because males produce sperm throughout their lives, and the genetic make-up of that sperm is created from mutations based on previously produced sperm. This study supposes that increase in autism could be connected to these genetic mutations.
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