Key result
Hyperlipoproteinemia types IV and V affect three generations without fitting standard inheritance models.
Population
32 members of a single family across three generations
Design
Case_series
Authors
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Does not fit Mendelian models for counseling; leaves open complex inheritance requiring larger genomic studies.
The inheritance pattern of hyperlipoproteinaemia types IV and V remains complex, as standard Mendelian patterns could not fully explain the transmission in this family.
François et al. (1977) studied this question. Hyperlipoproteinaemia types IV and V affected 11 of 32 family members across three generations without clearly fitting autosomal dominant, recessive, or multiple-type inheritance models.
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