X Chromosome Inactivation [inaktivace chromozomu X]

topical
16
Terms

chromozóm X - inaktivace
hypotéza Lyonové
inaktivace chromosomu X
inaktivace X chromosomu
lyonizace
X-inaktivace

 

Lyon Hypothesis
Lyonization
X Inactivation
X-Inactivation

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Definition

A dosage compensation process occurring at an early embryonic stage in mammalian development whereby, at random, one X CHROMOSOME of the pair is repressed in the somatic cells of females.

DUI
D049951 MeSH Browser
CUI
M0006765
Previous indexing
Dosage Compensation, Genetic (1982-2005); X Chromosome (1983-2005)
History note
2006; use DOSAGE COMPENSATION, GENETIC 1982-2005
Public note
2006; see DOSAGE COMPENSATION (GENETICS) 1982-2005

Allowable subheadings

DE
drug effects
ES
ethics
GE
genetics 5
IM
immunology
PH
physiology
RE
radiation effects

G Phenomena and Processes
G01 Physical Phenomena 77
G02 Chemical Phenomena 307
G03 Metabolic Phenomena obsolete
G03 Metabolism 1 197
G04 Cell Physiological Phenomena 515
G05 Genetic Phenomena 135
G05.308 Gene Expression Regulation 1 073
G05.308.203 Epigenesis, Genetic 375
G05.308.203.249 Dosage Compensation, Genetic 5
G05.308.203.249.970 X Chromosome Inactivation 16
G06 Microbiological Phenomena 96
G07 Physiological Phenomena 176
G08 Reproductive and Urinary Physiological Phenomena 18
G09 Circulatory and Respiratory Physiological Phenomena 94
G10 Digestive System and Oral Physiological Phenomena 4
G11 Musculoskeletal and Neural Physiological Phenomena 17
G12 Immune System Phenomena 249
G13 Integumentary System Physiological Phenomena 14
G14 Ocular Physiological Phenomena 148
G15 Plant Physiological Phenomena 158
G16 Biological Phenomena 130
G17 Mathematical Concepts 66

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