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Analysis of Genetic Inheritance in a Family Quartet by Whole-Genome Sequencing

2010/03/10 by Jared C. Roach, Gustavo Glusman, Arian F. A. Smit +12 · 7 citations
Biochemistry, Genetics and Molecular Biology · Medicine · #Genomics and Rare Diseases #Genetics and Neurodevelopmental Disorders #RNA modifications and cancer #Genetics #Biology #Primary ciliary dyskinesia #Offspring #Whole genome sequencing #Genome #Sequence (biology) #Mutation #Inheritance (genetic algorithm) #DNA sequencing #Gene #Medicine #Pregnancy

paper · doi:10.1126/science.1186802

openalex publication_date 2010/03/10 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/01

Abstract

We analyzed the whole-genome sequences of a family of four, consisting of two siblings and their parents. Family-based sequencing allowed us to delineate recombination sites precisely, identify 70% of the sequencing errors (resulting in > 99.999% accuracy), and identify very rare single-nucleotide polymorphisms. We also directly estimated a human intergeneration mutation rate of approximately 1.1 x 10(-8) per position per haploid genome. Both offspring in this family have two recessive disorders: Miller syndrome, for which the gene was concurrently identified, and primary ciliary dyskinesia, for which causative genes have been previously identified. Family-based genome analysis enabled us to narrow the candidate genes for both of these Mendelian disorders to only four. Our results demonstrate the value of complete genome sequencing in families.

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