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GENE DOSAGE [2 records]
Record 1 - internal organization data 2017-01-12
Record 1, English
Record 1, Subject field(s)
- Genetics
- Plant and Crop Production
Record 1, Main entry term, English
- phenotypic expression
1, record 1, English, phenotypic%20expression
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The manifestation via gene action of a particular gene present in effective dosage in a individual' s genotype. 2, record 1, English, - phenotypic%20expression
Record number: 1, Textual support number: 1 OBS
Gene expression results in the production of a particular phenotypic character. Organisms with the same genotype may have different phenotypes in different environments. For example, two plants may be genotypically short, but if one is grown under conditions of poor light, it will become etiolated and hence taller than the other. Organisms with the same genotype may also show different phenotypes if the penetrance of the gene differs. On the other hand, organisms with different genotypes may have the same phenotype if each contains a dominant gene: in the same environment the homozygous organism AA is phenotypically identical to the heterozygous Aa in respect of gene A. 2, record 1, English, - phenotypic%20expression
Record 1, French
Record 1, Domaine(s)
- Génétique
- Cultures (Agriculture)
Record 1, Main entry term, French
- expression phénotypique
1, record 1, French, expression%20ph%C3%A9notypique
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Parmi les caractères étudiés, EE,DFGG, TPN, EDB, BDE, GLPFE, GL et PR sont non fluctuants; il s'agit de variables communes aux cinq populations qui ne subissent aucune influence du milieu. Les vingt autres caractères sont fluctuants : à chaque site, une série de gènes adaptés à l'expression phénotypique d'un caractère donné est mise en œuvre. Nous concluons que les blés durs étudiés sont distincts, non homogènes et constituent toujours des populations. 2, record 1, French, - expression%20ph%C3%A9notypique
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1986-12-15
Record 2, English
Record 2, Subject field(s)
- Genetics
Record 2, Main entry term, English
- dosage effect
1, record 2, English, dosage%20effect
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- gene dosage effect 1, record 2, English, gene%20dosage%20effect
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
The deviation of phenotypic expression from dosage compensation towards an effect proportional to the gene dose. 1, record 2, English, - dosage%20effect
Record 2, French
Record 2, Domaine(s)
- Génétique
Record 2, Main entry term, French
- effet de dosage
1, record 2, French, effet%20de%20dosage
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
La quantité de produit des gènes liés au chromosome X est à peu près égale dans les deux sexes. Pendant de nombreuses années on ne parvint pas à trouver d'explication satisfaisante de la compensation de l'effet de dosage des deux chromosomes X de la femme par rapport au chromosome X unique de l'homme. L'inactivation du chromosome X explique correctement ce phénomène. Cependant, plusieurs problèmes subsistent. L'un de ceux-ci est le phénotype anormal des individus qui ont un complément chromosomique anormal. Si un chromosome X, et un seul, est actif quel que soit le nombre de ces chromosomes, il est difficile de comprendre pourquoi un sujet XXY présente une quelconque anomalie phénotypique et pourquoi plus le nombre de chromosomes X surnuméraires est grand plus l'anomalie est importante. 1, record 2, French, - effet%20de%20dosage
Record 2, Spanish
Record 2, Textual support, Spanish
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