Skip to main content
. Author manuscript; available in PMC: 2013 Feb 23.
Published in final edited form as: Nature. 2012 Aug 23;488(7412):471–475. doi: 10.1038/nature11396

Table 1.

De novo mutations observed with parental origin assigned

Number of de novo mutations in proband

Father's
Age (yrs)
Mother's
Age (yrs)
Paternal
Chromosome
Maternal
Chromosome
Combined
Trio 1 21,8 19.3 39 9 48
Trio 2 22.7 19.8 43 10 53
Trio 3 25.0 22.1 51 11 62
Trio 4 36.2 32.2 53 26 79
Trio 5 40.0 39.1 91 15 106

Mean 29.1 26.5 55.4 14.2 69.6

SD 8.4 8.8 20.7 7.0 23.5

Variance 70.2 77.0 428.8 48.7 555.3