Which of the following techniques or tools was instrumental in the studies performed by Gehring and his colleagues demonstrating that eyeless is a transcription factor involved in eye development?
A) Comparison of DNA sequences by means of a database search
B) Recombinant DNA constructs
C) The genetic toolkit
D) DNA chip technology
E) Hormone treatments

Question

Quizplus · Accepted Answer

The use of recombinant DNA constructs allowed the researchers to manipulate the expression of the eyeless gene, which provided evidence for its role in eye development. This technique was critical in establishing eyeless as a transcription factor that activates downstream genes involved in eye formation. The other techniques listed were not specifically mentioned in the studies by Gehring and colleagues.

Which of the Following Techniques or Tools Was Instrumental in the Studies