Hugo de Vries studied mutations in

$X$-rays typically induce . . . . . . .

The concept of sudden genetic change in organisms,which results in true breeding in reproductive organisms,is known as:

The chromosome shown in the diagram below is broken at the points which are indicated by the arrows and the genes between these points become inverted. The resulting order of the genes will be:

Write a short note on Mutation.

Which mutation causes a change in an allele?