How did research change during the period of classical biotechnology?

Facilitates growth and change in neurons and the migration of neurons to different sites in the brain

As a small change in a person's dna can cause a genetic disorder

What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.