Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
Bartleby Related Questions Icon

Related questions

Question

Teacher ask different version of this code please provide that 

'''
Problem A DNA: CG Pairs
Purpose:This function will take as an argument a string containing a dna strand 
Parameter(s):dna
Return Value: fraction of dinucleotides 
'''

def cg_pairs(dna):
    dna_simple = 'AGCTTTCATTCTGAC'
    dna= dna.lower()
    for i in range (0,len(dna)):
        if(dna[i]=='a'or dna[i]=='c'or dna[i]=='g' or dna[i]=='t' ):
            continue
        else:
            print("Error in DNA strand ")
            return 0.0
    count = 0
    for i in range(0,len(dna)-1):
        var = dna[i:i + 2]
        if(var=="cg"):
            count+=1
        else:
            continue
    return (float(count/(len(dna)-1)

 

 

Expert Solution
Check Mark
Knowledge Booster
Background pattern image
Computer Science
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
SEE MORE QUESTIONS
Recommended textbooks for you
Text book image
Database System Concepts
Computer Science
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:McGraw-Hill Education
Text book image
Starting Out with Python (4th Edition)
Computer Science
ISBN:9780134444321
Author:Tony Gaddis
Publisher:PEARSON
Text book image
Digital Fundamentals (11th Edition)
Computer Science
ISBN:9780132737968
Author:Thomas L. Floyd
Publisher:PEARSON
Text book image
C How to Program (8th Edition)
Computer Science
ISBN:9780133976892
Author:Paul J. Deitel, Harvey Deitel
Publisher:PEARSON
Text book image
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781337627900
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning
Text book image
Programmable Logic Controllers
Computer Science
ISBN:9780073373843
Author:Frank D. Petruzella
Publisher:McGraw-Hill Education