When gene duplication occurs to its ultimate extent by doubling all genes in a genome, which of the following results has occurred?
A) pseudogene creation
B) creation of a gene cluster
C) creation of a polyploid
D) creation of a diploid

Question

Quizplus · Accepted Answer

When gene duplication occurs to its ultimate extent by doubling all genes in a genome, it results in the creation of a polyploid organism. A polyploid organism has multiple sets of chromosomes, which can result in increased genetic diversity and potential adaptation to new environments. Pseudogene creation can occur as a result of gene duplication, but it is not a direct result of doubling all genes in a genome. Creation of a gene cluster can also occur as a result of gene duplication, but again, it is not a direct result of doubling all genes in a genome. Creation of a diploid is not the result of gene duplication; diploidy is the normal state for most eukaryotic organisms, including animals and plants.

When Gene Duplication Occurs to Its Ultimate Extent by Doubling