heterozygouspertaining to two different
alleles at a specific
locus in a
diploid organism
Source: Jenkins, John B. 1990.
Human Genetics, 2nd Edition. New York: Harper & Row ...
Full article >>>For example, the
gene for
seed shape in pea
plants exists in two forms, one form or
allele for round
seed shape (R) and the other for wrinkled
seed shape (r). A
heterozygous plant would contain the following
alleles for
seed shape: (Rr).
Full article >>>Dr. Robert Nussbaum, of the National
Human Genome Research Institute's Laboratory of
Genetic Disease Research, defines
heterozygous.
related
terms:
chromosome,
gene, inherited ...
Full article >>>heterozygous Having two different
alleles (one
dominant, one
recessive) of a
gene pair.
hist
amine A chemical released during the inþammatory response that increases
capillary blood þow in the affected area, causing heat and redness.
Full article >>>heterozygous: two different
alleles that are present for a particular
characteristic.
hindbrain: the portion of the brain that consists of the
medulla,
pons, and
cerebellum.
histones: nuclear
proteins that coil
DNA molecules.
Full article >>>heterozygous A
genotype for a given phenotypic
expression containing a
dominant and a
recessive allele for that
trait.
hexacanth Oncosphere; a six-hooked
larva hatching from the
egg of a eucestode.
Full article >>>Heterozygous recessive traits
In some instances, efforts to eradicate certain single-
gene mutations would be nearly impossible.
Full article >>>Heterozygous: An individual containing dissimilar
alleles for a given
gene or
locus.
Full article >>>A
heterozygous carrier of red-green colorblindness has some colorblind
cells in her
retina. The non-colorblind
cells enable her to see color.
Full article >>>: A (
heterozygous)
dominant mutation on one
allele blocking the activity of
wild-type protein still encoded by the normal
allele (often by
dimerising
with it) causing a loss-of-function
phenotype.
Full article >>>Mate two
heterozygous mice and screen their
offspring for the 1:4 that will be
homozygous for the
transgene.
Mating these will found the
transgenic strain.
The Pro
nucleus Method (Method "2")
1. Prepare your
DNA as in Method 1 ...
Full article >>>An
organism
heterozygous at three
loci.
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Full article >>>A Method for
Heterozygous Carrier Screening Using an E. coli Mismatch Binding
Protein,
MutS; Application to the Cystic Fibrosis
Gene ...
Full article >>>Carrier -- an individual
heterozygous for a single
recessive gene. c
DNA --
complementary DNA produced from a
RNA template by the
action of
RNA- dependent
DNA polymerase.
Full article >>>A condition where a
heterozygous off- spring has a
phenotype that is distinctly different from, and intermediate to, the parental
phenotypes. See
Heterozygote,
Phenotype.
Initiation codon.
Full article >>>ci-/-
embryos derived from ci94 mutant
germline clones (Fig 6I) are indistinguishable from ci-/-
embryos derived from
heterozygous mothers (Fig 6H) (Methot, 2001) ...
Full article >>>If sickle
cell anemia is so deadly, why are so many people
heterozygous carriers of the disease? Moreover, why does the disease afflict predominantly one racial group? Surpisingly, the answer has to do with malaria.
Full article >>>Individual immunoglobulin producing
cells of
heterozygous individuals produce immunoglobulins of a single allotype. The phenomenon is called allelic exclusion.
Immunoglobulin synthesizing
cells have one or both heavy chain
gene loci rearranged.
Full article >>>Heterozygosity is simply the proportion of the
population that is
heterozygous.
Equilibrium heterozygosity is given as H = 4Nv/[4Nv+1] (for
diploid populations). H can vary from a very small number to almost one.
Full article >>>An
organism which has two different
alleles of the
gene is said to be
heterozygous. Often one
allele is "
dominant" and the other is "
recessive" - the "
dominant"
allele will determine what
trait is
expressed.
Full article >>>When a single
trait is being studied, a test cross is a cross between an individual with the
dominant phenotype but of unknown
genotype (
homozygous or
heterozygous) with a
homozygous recessive individual.
Full article >>>Recessive A genetic
trait that is not
expressed in a
heterozygous or partially
heterozygous cell.
Recombinant DNA A
molecule of
DNA in which a
DNA fragment from a different source has been
inserted.
Full article >>>A
hybrid individual that is
heterozygous for two genes or two
characters.
dihybrid crossA
breeding experiment in which parental varieties differing in two
traits are mated.
Full article >>>'"/>