Phenotype

Phenotype
The physical properties (e.g., eye color, height, blood type) of an organism. Genotype is the largest influencing factor in the development of phenotype.
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phenotype
a type or kind that is determined on the basis of visible traits, as distinguished from genotype, which is based on gene content
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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Definition of phenotype :
(1) The detectable outward manifestations of a specific genotype.
(2) The observable attributes of an organism.
(3) The physical characteristics of a living object.
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Phenotype
The phenotype of an individual organism is either its total physical appearance and constitution, or a specific manifestation of a trait, such as size or eye color, that varies between individuals.
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The phenotype of a homozygote for the recessive allele; the parental phenotype that is not expressed in a heterozygote.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
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Genotype--Phenotype
Expanded Central Dogma of Molecular Biology
In the flow of information from genotype to phenotype, two steps require the copying of nucleotide sequence information into a different form.
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Chapter 18
Transgenic mouse models of Alzheimer's disease:phenotype and mechanisms of pathogenesis
Karen Duff
Nathan Kline Institute, 140 Old Orangeburg Rd, Orangeburg, NY 10962, U.S.A.
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Dr. Robert Nussbaum, of the National Human Genome Research Institute's Laboratory of Genetic Disease Research, defines phenotype.
illustrated:
View illustration ...
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Phenotype
The term coined by Johannsen (1909) for the appearance (Gk. phainein, to appear) of an organism with respect to a particular character or group of characters (physical, biochemical, and physiologic), ...
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Phenotype ratios are approximate
The union of sperm and eggs is random. So the pod in the color photo (courtesy of Cathie Martin from Cell 12 January 1990) - with its 9 smooth seeds and 3 wrinkled seeds! - represents something of a statistical fluke.
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Phenotype The physical characteristics of an organism or the presence of a disease that may or may not be genetic.
See also: genotype ...
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Phenotype
The appearance or other observable characteristics of an organism. The phenotype expressed by an organism depends upon the particular forms of its genes (e.g. its wild-type or mutant alleles) and the environmental conditions.
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phenotype ratio = 3:1 (3full: 1 constricted)
Alleles and Loci
An allele is a gene that has more than one form. Each of the forms is referred to as an allele.
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phenotype
[Gk. phainein, to show + typos, stamp, print]
The physical and physiological traits of an organism.
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Phenotypes are always affected by their environment. In buttercup (Ranunculus peltatus), leaves below water-level are finely divided and those above water-level are broad, floating, photosynthetic leaf-like leaves.
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phenotype and modes of inheritance
Use Punnett squares to predict genetic cross outcomes.
Show how genotype affects phenotype.
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phenotype: the expression of genes and the physical characteristics that result.
phloem: structures of vascular plants that transport sugars and other nutrients from the leaves to the other parts of the plant.
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phenotype matching A mechanism by which kin may recognize one another; individuals use kin as a referent whose phenotypes are learned by association.
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PHENOTYPE - The appearance of other characteristics of an organism resulting from the interaction of its genetic constitution with the environment.
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Phenotype. The observable characteristics of an organism, the expression of gene alleles (genotype) as an observable physical or biochemical trait. See Genotype.
Pheromone. A hormone-like substance that is secreted into the environment.
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Phenotype: The observable properties and physical characteristics of of a cell or an organism that is the result of its unique genotype.
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Rare phenotypes
Bombay phenotype
The rare individuals with Bombay phenotype do not express substance H on their red blood cells and therefore do not bind A or B antigens.
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Extended phenotype
: All effects of a gene upon the world where the effects influence the survival chance of a gene [Richard Dawkins].
Extra-chromosomal inheritance ...
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By aspect of phenotype affected
Morphological mutations usually affect the outward appearance of an individual. Mutations can change the height of a plant or change it from smooth to rough seeds.
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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. Dominant(-acting) oncogene.
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Contiguous genes -- genes physically close on a chromosome that when acting together express a phenotype.
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phenotype The observable characteristics of an organism. -philia affection for phosphodiester linkage A chemical grouping that contains two alcohols esterified to one molecule of phosphoric acid, which thus serves as a bridge between them.
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The mutant phenotype can therefore be easily detected.
Back translation Use of the experimentally determined amino acid sequence of part or all of a polypeptide to determine the theoretical nucleic acid base sequence(s) which could code for it.
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It's really the patients that have come into the clinic with these intersex phenotypes that have yielded the most information in terms of finding the genes, the autosomal gene specifically, ...
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Phenotype is the morphological, physiological, biochemical, behavioral and other properties exhibited by a living organism. An organism's phenotype is determined by its genes and its environment.
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- Genes
- Heterozygous
- Homozygous
- Phenotype
Definition: A form of intermediate inheritance in which heterozygous alleles are both expressed, resulting in a combined phenotype.
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Phenotypic plasticity. The capacity of an individual to produce different phenotypes under different conditions. Non-genetic potential variability within the range of a single individual.
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Transformed cells tend to exhibit characteristics known collectively as the "transformed phenotype" (rounded cell bodies, reduced attachment dependence, increased growth rate, loss of contact inhibition, etc).
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Genes encode the information necessary for synthesizing proteins, which, in turn play a large role in influencing, although, in many instances, do not completely determine, the final phenotype of the organism.
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Phenotype: the totality of characteristics of an individual: the expression of the genotype.
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