The diagrammatic representation of the chromosomes of an individual is called

Distance between two linked genes upon a chromosome is measured in cross over units, is

When normal and mutant alleles are present on opposite chromosomes of homologous pair, the heterozygotes are called as

Hugo de Vries formulated the “Mutation Theory'' based on the experiments he conducted on

A distinct mechanism that usually involves a short segment of $DNA$ with remarkable capacity to move from one location in a chromosome to another is called