chromosomal disorder

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chromosomal disorder teriminin İngilizce İngilizce sözlükte anlamı

Syndrome caused by chromosome abnormality. Normally, humans have 23 pairs of chromosomes, including one pair of sex chromosomes. Any variation from this pattern causes abnormalities. A chromosome may be duplicated (trisomy) or absent (monosomy); one or more extra full sets of chromosomes can be present (see ploidy); or part of a chromosome may be missing (deletion) or transferred to another (translocation). Resulting disorders include Down's syndrome, mental retardation, heart malformation, abnormal sexual development, malignancies, and sex-chromosome disorders (e.g., Turner's syndrome, Klinefelter's syndrome). Chromosomal disorders occur in 0.5% of births; many can now be diagnosed before birth by amniocentesis

Heceleme

chro·mo·so·mal dis·or·der