The implications of genetic variation in human pathology

R. Williamson*, K. E. Davies, J. Donald, C. Gilliam, S. Wallis, S. Humphries

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

2 Citations (Scopus)


Each human cell contains enough DNA to code for several million proteins. As a result of the technical advances which are broadly described as 'genetic engineering', each of these sequences can be isolated and purified in large amounts, free from those surrounding it in the genome. The sequences are not identical from person to person, nor even for each of a pair of chromosomes for a single person, but contain many variations. These include single base changes in both coding and non-coding regions, deletions, insertions and rearrangements. Using these changes as markers, the molecular geneticist can compare the structure and expression of normal and mutated human gene sequences and follow their inheritance in families.

Original languageEnglish
Pages (from-to)183-188
Number of pages6
JournalBiochemical Society Symposium
Publication statusPublished - 1984
Externally publishedYes


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