Describes a situation or event that occurs without any warning or prior indication, catching individuals off guard and causing surprise.
Refers to an occurrence that happens unexpectedly, usually resulting in an abrupt change or impact on circumstances.
Characterizes an instance where something unexpected and unforeseen takes place, often leading to confusion or a lack of preparedness.
Example:
すべて突然起こった。
The unexpected and abrupt passing of an individual who appeared to be in good health, occurring without any prior warning or indication of illness.
An unforeseen cessation of life that may result from a sudden cardiac event or a rapid deterioration of an underlying medical condition, leading to death within 24 hours.
A shocking event where a person seemingly free of health issues experiences a sudden bodily crisis resulting in mortality, often leaving family and friends in disbelief.
Example:
私は突然死んだ母を思い出した。
A biological phenomenon where new traits that were not present in the parent organisms manifest suddenly in the offspring and are capable of being inherited.
An occurrence of genetic alteration that results in offspring exhibiting characteristics distinct from their parents, influenced by changes in gene structure or chromosome abnormalities, which can arise spontaneously or through external factors like radiation or chemicals.
An individual, cell, or virus that exhibits characteristics resulting from a mutation, often manifesting in observable traits or functions.
A term used to describe genes that have undergone mutations, which can lead to significant changes in the organism's physical or biological properties.