In the lower half of the interactive, change the template DNA strand such that the sequence …AACCTG… is changed to …AACTTG…
Which of the terms correctly describes this type of mutation?

a) substitution
b) insertion
c) duplication
d) deletion

If this mutation occurred in a protein‑coding gene, how would it be classified?

a) silent mutation
b) missense mutation
c) nonsense mutation
d) frameshift mutation

Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.