The Genomes of Most Animals Contain Multiple Identical Copies of Genes

Multiple Choice

The genomes of most animals contain multiple identical copies of genes for rRNAs

A) to allow pseudogenes to evolve.
B) so that the genes can take on different functions.
C) because transcription is too slow to supply the needs for the cell.
D) because transcription is so fast that lots of these genes are required.
E) to produce short tandem repeats.