#Question id: 15765
#Unit 5. Developmental Biology
#Question id: 5550
#Unit 5. Developmental Biology
The vertebrate nervous system is derived from
#Question id: 5820
#Unit 8. Inheritance Biology
A new chemical pesticide developed for agricultural use was subjected to the Ames test. The rate of mutation seen in samples treated with the pesticide and liver extract was approximately half that of the samples treated with the liver extract alone; in samples treated with only pesticide, the mutation rate was about the same as that of untreated samples. Which of the following statements could you make about this pesticide?
#Question id: 18807
#Unit 13. Methods in Biology
#Question id: 5234
#Unit 11. Evolution and Behavior
Which of the following would, if it had acted upon a gene, prevent this gene from acting as a reliable molecular clock?