Answer:
A change in the number of single chromosomes without a change in the overall number of genes is called "Dysploidy" and the duplication of a whole genome is called "Polyploidy"
Explanation:
Dysploidy is the change in the chromosome base number produced by chromosomal rearrangements that occurs without loss of genetic information. On the other hand, polyploidy refers to the condition of having more than two complete sets of chromosomes
