polygenicdetermined by many genes at different
loci, with small additive effects
Source: Jenkins, John B. 1990.
Human Genetics, 2nd Edition. New York: Harper & Row ...
Full article >>>Search for
polygenic in these other data
bases too
Definition of
polygenic :
a
character controlled by many genes.
Full article >>>PolygenicControlled by or associated with more than one
gene. Cf
monogenic.
Related Terms:
Gene ...
Full article >>>Polygenic inheritance is a pattern responsible for many features that seem simple on the surface. Many
traits such as height, shape, weight, color, and metabolic rate are governed by the cumulative effects of many genes.
Full article >>>polygenic inheritance: the condition in which some
characteristics are determined by an inter
action of genes on several
chromosomes or at several places on one
chromosome; one example is
human skin color.
polymerase chain re
action: see
PCR.
Full article >>>polygenic inheritance(pol-ee-jen-ik) [Gk. polus, many + genos, race, descent]
An additive effect of two or more
gene loci on a single phenotypic
character.
Full article >>>Polygenic InheritanceA
polygenic trait is due to more than one
gene locus. It involves active and inactive
alleles.
Active
alleles function additively.
Full article >>>polygenic inheritance.
Inheritance of
traits influenced by
multiple alleles;
traits show continuous
variation between extremes;
offspring are usually intermediate between the two parents; also known as blending and quantitative
inheritance.
Full article >>>Polygenic disorders: Genetic disorders resulting from the combined
action of
alleles of more than one
gene (e.g.,
heart disease, diabetes, and some
cancers).
Full article >>>Together, the
transpolygenic
animals harbor about 2 Mb of
human DNA from the Down syndrome region.
Full article >>>Galton came close to rediscovering
Mendel's particulate
theory of
inheritance, but was prevented from making the final breakthrough in this regard because of his focus on continuous, rather than discrete,
traits (now known as
polygenic traits).
Full article >>>Identify
sex-linked, co-
dominant, incomplete
dominant, multiple
allele,
polygenic traits
-
Analyze sample
pedigrees; determine type of
inheritance ...
Full article >>>Polygenic. Controlled by or associated with more than one
gene. Poly
linker. A short
DNA sequence containing several re- striction
enzyme recognition sites that is contained in
cloning vectors. Polymer. A
molecule composed of repeated subunits.
Full article >>>'"/>