The idea is that people tend to be attracted to those who have immune system genes that are dissimilar from their own.Biologists say the HLA genes of the immune system — which are responsible for recognizing and marking foreign cells such as viruses so other parts of the immune system can attack them — also determine body odor "fingerprints." And people tend to be attracted to the natural body odors of those who have different HLA genes from their own. The companies claim that a better biological match will mean better sex, less cheating, longer-lasting love and perhaps even healthier children. Some genetic testing companies are promising to match couples based on the DNA testing, touting the benefits of biological compatibility.Holzle was not able to point to any success stories.
"How many dating services can you think of where they can suggest you might have better children?Learn More Phased sequencing, or genome phasing, distinguishes between alleles on homologous chromosomes, resulting in whole-genome haplotypes.This information is often important for genetic disease studies.Learn More Whole-genome sequencing of tumor samples provides a comprehensive view of the unique mutations in cancer tissue, informing analysis of oncogenes, tumor suppressors, and other risk factors. This method enables researchers to identify the organisms present in a given complex sample, analyze bacterial diversity, and detect microbial abundance in various environments. Whole-genome sequencing can identify causative variants associated with complex diseases and traits, leading to further studies of gene targets to characterize disease mechanisms.
Genetic matchmaking is the idea of matching couples for romantic relationships based on their biological compatibility.
In one study, Swiss biologist Claus Wedekind found that women who were not taking hormonal contraception preferred the natural scent of men whose immune systems were the most different from theirs.