A Northern blot probed for GeneY mRNA shows bands of different intensities in five tissues. Bands are darker when more mRNA is present.
Which tissue expresses GeneY at the highest level?
- A
Spleen
- B
Heart
- C
Lung
- Dcheck_circle
Kidney
Explanation
Band intensity is proportional to mRNA abundance. Kidney has the thickest, darkest band, indicating the most mRNA.