Apert's Syndrome: Why Kids Of Older Dads Are More Likely To Have Some Genetic Disorders

In a cruel irony, testis cells carrying the mutation that causes Apert's syndrome are fitter than normal cells, even though children born from sperm derived from those cells are weakened by fused fingers, toes and skulls, a new study has found. The research can explain why the syndrome is unexpectedly common, and why sperm from older men carry the mutation more frequently than expected.

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