Answer:
Did alleles for drug resistance occur in bacterial populations that afflict humans, prior to the widespread use of antibiotics in medicine and agriculture? a. No—mutations for drug resistance occur in response to antibiotic use. ... Yes—alleles for resistance arise due to random mutation, so are always present.
Explanation:
Answer:
What is this picture supposed to mean? What do we do with this? How do we solve this for you?
C. hypothesis. He is giving a possible answer to the question "why did the celery crisp when placed in water?"
It has pairs of matching chromosomes
I hope this helps!
