noun
chromosomal mutation; chromosomal abnormality; chromosomal disorder
Technical term used in genetics and medicine. Refers to any change in chromosome structure or number, including abnormalities and disorders.
See also: 染色体異常
染色体突然変異は遺伝病の原因となることがある。
Chromosomal mutations can cause genetic disorders.
この研究では、染色体突然変異の発生率を調べた。
This study examined the incidence of chromosomal abnormalities.
染色体異常 is a broader term for any chromosomal irregularity, while 染色体突然変異 specifically emphasizes a sudden, mutational change.
Compound of 染色体 (chromosome) + 突然変異 (mutation). The term is a direct translation of the English 'chromosomal mutation'.