Which Statement About Pseudogenes Is True

Multiple Choice

Which statement about pseudogenes is true?

A) There must be more functional genes than pseudogenes in a gene family.
B) Pseudogenes generally look very different from functional genes.
C) Pseudogenes usually arise from gain-of-function mutations.
D) In some gene families, there appears to be little selection pressure for the deletion of pseudogenes. These families have few pseudogenes.
E) In some gene families, there appears to be little selection pressure for the deletion of pseudogenes. These families can have many pseudogenes.