When mutation is confined to only one substitution,it is called

Mutations induced by $5$-bromouracil are known as:

Non-ionizing radiations are generally known to cause mutations in organisms. These are:

Which phenomenon causes changes in the genotype and phenotype of an organism due to alterations in the $DNA$ sequence?

Who first discovered real mutations?

The following characteristics are most suitable for which of the following processes?
$(i)$ Due to alteration of $DNA$ sequences,the genotype is changed.
$(ii)$ Changes occur in the phenotype.
$(iii)$ Variation is created in $DNA$.