All of the following constitute familial cancer syndrome except -
All are familial cancer syndromes.
Xeroderma-pigmentosa is autosomal recessive, defective DNA repair syndrome.
Other three are autosomal dominant inherited cancer syndrome.
Amongst the given options best answer is a i.e. xeroderma pigmentosa because autosomal dominant inherited cancer syndromes are the most common type of genetically predisposed cancer.
Xeroderma-pigmentosum
Retinoblastoma
Neurofibromatosis
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