(a.) Having many distinct sources; originating at various places or times.
(a.) Of or pertaining to polygenesis; polyphyletic.
Example Sentences:
(1) I have stressed the influence of genetic factors, best exemplified as a single gene aberration in the occurrence of Heberden's nodes, while a polygenetic interplay may be involved in other forms of hand GOA.
(2) Genetic studies suggest a polygenetic mode of inheritance and a lower threshold of manifestation in women.
(3) There was little evidence for the polygenetic multiple threshold model of sex inheritance.
(4) The great variety of pathogenic factors emphasizes that metabolic myelosis must be counted among the polygenetic identical reactions of the central nervous system.
(5) The estimate of the fraction of interindividual variability associated with polygenetic effects was 26.5%.
(6) The finding that the Yaa gene-induced acceleration of lupus-like autoimmune disease is modulated by gene(s) within or closely linked to the H-2 complex underlines the crucial role of the major histocompatibility complex and the polygenetic nature of autoimmune disease in BXSB mice.
(7) In line with F1 data, it demonstrates the presence of a polygenetic correlate: at least one other locus is involved in each of the six outcome parameters.
(8) The hypothetical model for each psychosis proposes that polygenetic inheritance affects different central nervous system neuroanatomical sites in the human which are in homeostasis as to catecholamine neurotransmitter regulation of the psyche.
(9) This approach enables one to simultaneously estimate the frequencies and effects of alleles at specific loci along with the residual polygenetic variance component.
(10) It must be seen as a "phenomenologically identical, polygenetic type of reaction" (Janzen).
(11) By measuring polymorphic protein variability and restriction site variability in small regions of DNA known to contain genes that code for the proteins involved in these functions, it is possible to assign polygenetic effects to specific alleles or haplotypes.
(12) An autosomal-dominant mode of inheritance with reduced penetrance or a polygenetic mode of inheritance are discussed.
(13) Although the unique MHC haplotype of NOD mice is clearly a major contributor to diabetes susceptibility, evidence for a complex interaction between MHC loci and many other polygenetic factors is reviewed.
(14) The series of events that occurs after infection or tissue damage is polygenetic and involve multiple pathways.
(15) Polygenetic predisposition is a key factor in the multifactorial disorders of primary hypertension.
(16) Tetraspastic is a "polygenetic" reaction of the central nervous system without a final common path.
(17) According to their data and findings in literature, the following hypothesis was made: porphyria cutanea tarda is assumed to be a disease following the rules of the polygenetical heredity.
(18) In animal experiments, the authors have shown that the SLMC reaction directed againt a virus-induced tumour is under polygenetic control primarily governed by gene(s0 linked to the histocompatibility region.
(19) The majority of inherited diseases are due to unknown biochemical defects, or are either polygenetic or multifactorial.
(20) Thus, variation in this gene region may be one of the polygenetic factors involved in determining cholesterol levels in the normal population.