Practice Questions

TLS Online TPP Program

#Question id: 16968

Parallel evolution is a term that has been used to describe cases in which independent evolution of a character state is thought to have similar genetic and developmental bases, especially in closely related species. Which statements is true for

#Unit 11. Evolution and Behavior

Evolutionary reversals constitute a return from a derived character
Distinction between parallel evolution and convergent evolution may be very meaningful because, as we will see, the same gene often contributes to similar evolutionary changes in related organisms.
Distinction between parallel evolution and convergent evolution may not be very meaningful because, as we will see, the same gene often contributes to similar evolutionary changes in distantly related organisms.
Mutational change in a specific gene, Pitx1, is the basis of independent loss of the pelvic girdle and fins in many freshwater populations of a small fish, the three spined stickleback stickleback