Alleles are two different forms of a single gene.
Answer:
What is this off of, can you give me more information so I can help you
Explanation:
The disk diffusion test is used to compare the effectiveness of antibiotics. The incubated plate (results) will show bacteria growth except where antibiotic has effects. The more effective the drug, the inhibition zone will be greater. So the most effective antibiotic is the one that has the largest inhibition zone around the test site.
What is the chart? Can you show us what it says?
Answer:
The answer is letter A.
Explanation:
A loss-of-function mutant in the gene encoding Mad2.