Complete the sentence with the best relative pronoun.
Dr. Marlene Zuk, a professor ___ studied crickets on the Hawaiian island of Kauai, discovered that a mutation in the genes of male Kauai crickets prevents their wings from making a chirping sound.
1 answer
Dr. Marlene Zuk, a professor who studied crickets on the Hawaiian island of Kauai, discovered that a mutation in the genes of male Kauai crickets prevents their wings from making a chirping sound.