Question

Which of the following is a recognized characteristic of vestigial organs?

Options

• They continue to be inherited from one generation to the next

• They prevent modern organisms from showing any anatomical connection to ancestors

• They are lost from inheritance after the first generation of disuse

• They are increased in size and development compared with ancestral structures

Answer 1

Vestigial organs continue to be inherited from one generation to the next despite having lost their original major function fully or partially. They indicate a connection between modern organisms and their ancestors and are cited as anatomical evidence for evolution.