Dominant

dominant allele
the allele that is expressed when present in the heterozygote
Source: Jenkins, John B. 1990. Human Genetics, 2nd Edition. New York: Harper & Row ...
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Definition of codominant : ...
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Dominant Genetic Disorder
In dominant genetic disorders, if one affected parent has a disease-causing gene that dominates its normal counterpart, each child in the family has a 50% chance of inheriting the disease-causing gene and the disorder.
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autosome, dominant, gene, Huntington's disease, neurofibromatosis, inherited, Mendelian inheritance, phenotype
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Mutations in the AE1 gene cause autosomal dominant and recessive forms of dRTA. All the dominant dRTA mutations investigated cause aberrant trafficking of kAE1, resulting in its intracellular retention or mistargeting to the apical plasma membrane.
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Codominant alleles occur when rather than expressing an intermediate phenotype, the heterozygotes express both homozygous phenotypes. An example is in human ABO blood types, the heterozygote AB type manufactures antibodies to both A and B types.
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Dominant
The term which Mendel (1866) introduced for a character which is manifest in all the members of the first filial generation (F1) from a cross between two pure-breeding, homozygous strains differing in respect of this character, ...
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Dominant
The phenotype that is observed when two alleles of a gene are present in a cell. The gene whose phenotype is expressed is the dominant allele and the allele whose phenotype is masked is the recessive allele.
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Dominant or recessive?
The disease PKU is clearly inherited as a recessive trait. Only if one inherits a mutant allele from each parent will one develop the disease.
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dominant allele
In a heterozygote, the allele that is fully expressed in the phenotype.
dormancy ...
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dominant: an allele that expresses itself.
ductless glands: glands that have no ducts, such as the endocrine glands.
duodenum: the first 10 to 12 inches of the small intestine in which most of the chemical digestion takes place.
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dominant A gene that masks one or more of its alleles. See recessive.
dominant plants Those plant species in a community that provide a food base for most of the community; they usually take up the most space and have the largest biomass.
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Dominant: Allele that determines phenotype in a heterozygous individual carrying another recessive allele.
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Dominant-negative mutation
: 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.
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The dominant classification system is called Linnaean taxonomy, which includes ranks and binomial nomenclature.
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The dominant ethanol feedstock in warmer regions is sugarcane.
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I is dominant to i.
There are two forms of I: IA and IB but only one form of i.
6 possible genotypes, 4 phenotypes: ...
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Diatom. Dominant planktonic algal form with siliceous test, occurring as a single cell or as a chain of cells
Diffusion. The net movement of units of a substance from areas of higher concentration to areas of lower concentration of that substance ...
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The most dominant form of mass media in the country are the three state-operated FM radio stations. There are also five shortwave radio stations.
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Figure 1 : Dominant and recessive phenotypes.
(1) Parental generation. (2) F1 generation. (3) F2 generation. Dominant (red) and recessive (white) phenotype look alike in the F1 (first) generation and show a 3:1 ratio in the F2 (second) generation ...
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Porphyria a dominant genetic inability to make porphyrin
(porphyr = purple; -ia = state of condition of disease) ...
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Expressing a dominant-negative form of PKA in the dorsal compartment (UAS-R*/ap-Gal4) results in ectopic Ci-155 and ectopic expression of dpp, but no change in col expression (data not shown) (Vervoort, 1999).
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the dominant male in a pack.
amictic egg
A thin shelled diploid egg which cannot be fertilized. Instead, it develops by parthenogenesis. It is produced by rotifers when living conditions are optimal, and will develop to produce amictic females.
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AFLP's, can be codominant markers, like RFLP's. Codominance results when the polymorphism is due to sequences within the amplified region.
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Most oncogenes are dominant mutations; a single copy of this gene is sufficient for expression of the growth trait.
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Dominant. An allele is said to be dominant if it expresses its phenotype even in the presence of a recessive allele. See Allele, Phenotype, Recessive. Dominant gene. A gene whose phenotype is when it is present in a single copy.
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Achondroplasia -- the most common and well known form of short limbed dwarfism characterized by a normal trunk size with disproportionally short arms and legs, and a disproportionally large head; autosomal dominant condition.
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Temperate grasslands are characterized as having grasses as the dominant vegetation. Trees and large shrubs are absent. Temperatures vary more from summer to winter, and the amount of rainfall is less in temperate grasslands than in savannas.
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These mutant strains would crowd out the formerly dominant strains. Samples of the most successful strains from the culture were taken at a variety of times.
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When the alleles of a pair are heterozygous, one is dominant and the other is recessive. The dominant allele is expressed and the recessive allele is masked.
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Identify sex-linked, co- dominant, incomplete dominant, multiple allele, polygenic traits
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Analyze sample pedigrees; determine type of inheritance ...
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WILDTYPE - The native or predominant genetic constitution before mutations, usually referring to the genetic consitution normally existing in nature.
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