What do micro-mutations or changes involve?

Which of the following agents causes mutations by deamination?

The following diagram shows two chromosomes and the letters represent the genes.
Chromosome $1$:

$P$

$Q$

$R$

$S$

$T$

$U$

$V$

$W$

Chromosome $2$:

$E$

$F$

$G$

$H$

Which of the following would result if a translocation occurred between chromosome $1$ and $2$?

When a mutation at one locus is neutralized by a mutation at another locus, either on the same or a different chromosome, it is called:

What affects the rate of mutation?

$A$ sudden large change in a population is known as.......