Inherited risk
Variants worth knowing about for you and your family.
6 entriesSee the full A–Z index
BRCA1 / BRCA2The breast-cancer genes
Inherited variants raise risk of breast and ovarian cancer
Read entryDNA TestingDNA testing explained
How a saliva or swab sample becomes a personalised genetic report
Read entryDNA Testing 2026Modern DNA testing, facts vs myths
What a modern DNA test can and cannot tell you in 2026
Read entryHBBThe thalassemia gene
Variants cause inherited blood disorders common in parts of India
Read entryMC1RThe tan-or-burn gene
Decides whether your skin tans in the sun or simply burns
Read entryPRSPredicting disease risk
Whether your genes can predict which diseases you may develop over the next 10 years
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