7045
The P - wr and P - rr cDNA sequences are very similar in their 5 ' regions .
 P - wr, P - rr cDNA sequences
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 P - wr, P - rr cDNA sequences