mutation rate

Translations
скорость мутации
The mutation rate of the virus was higher than expected.
Скорость мутации вируса была выше, чем ожидалось.
Definitions
The mutation rate is the frequency at which new mutations occur in a given gene or organism over a specific period of time, often expressed as the number of mutations per generation or per nucleotide per replication cycle.
Words
mutation

noun
мутация
rate

noun
частота