Dosage Compensation, Genetic

Doskompensation, genetisk

Svensk definition

En genetisk reglermekanism för utjämning av fenotyputtrycket av särdrag som bestäms av X-kromosomens gener, så att de kommer till samma uttryck hos XY (han) och XX (hon).

Engelsk definition

Genetic mechanisms that allow GENES to be expressed at a similar level irrespective of their GENE DOSAGE. This term is usually used in discussing genes that lie on the SEX CHROMOSOMES. Because the sex chromosomes are only partially homologous, there is a different copy number, i.e., dosage, of these genes in males vs. females. In DROSOPHILA, dosage compensation is accomplished by hypertranscription of genes located on the X CHROMOSOME. In mammals, dosage compensation of X chromosome genes is accomplished by random X CHROMOSOME INACTIVATION of one of the two X chromosomes in the female.

Svenska synonymer

Inga svenska synonymer finns.

Engelska synonymer

Compensation, Genetic Dosage Genetic Dosage Compensation Genetic Dosage Compensations Gene Dosage Compensation Compensation, Gene Dosage Dosage Compensation, Gene Gene Dosage Compensations Dosage Compensation (Genetics) Compensation, Dosage (Genetics) X-Chromosome Hypertranscription X Chromosome Hypertranscription Hypertranscription, X-Chromosome Hypertranscription, X Chromosome