ACGT is an acronym for the four types of bases found in a DNA molecule: adenine (A), cytosine (C), guanine (G), and thymine (T). Given 2DNA strands of equal length, compare the bases.Given two DNA strands of equal length, write a complete Python program to compare the corresponding bases, and report mismatches.For example, suppose the input to your program are the following two DNA strands:CCATGGTCCCAGTGACthen your program should produce the following output:CCATGGTCXX XCCAGTGAC**Differences: 3In other words, your program should output the first strand, then on the next line output a space if the corresponding bases are the sameand an 'X' if not, followed by the second strand, followed by a summary of the # of differences. If the strands are identical, the # ofdifferences reported should be 0.Hint: this is not as hard as it looks. Input the 2 DNA strands, output the first, then loop over the strings like you have done in the otherexercises. But instead of comparing the ith character to a known letter such as 'C' or 'G', compare to the ith character in the other stringCount and output as you loop, then after the loop output the 2nd DNA strand and the # of differences.

Algorithm: Compare DNA StrandsInput two DNA strands, strand1 and strand2.If the lengths of strand1…

Answered: ACGT is an acronym for the four types…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

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ACGT is an acronym for the four types of bases found in a DNA molecule: adenine (A), cytosine (C), guanine (G), and thymine (T). Given 2
DNA strands of equal length, compare the bases.
Given two DNA strands of equal length, write a complete Python program to compare the corresponding bases, and report mismatches.
For example, suppose the input to your program are the following two DNA strands:
CCATGGTC
CCAGTGAC
then your program should produce the following output:
CCATGGTC
XX X
CCAGTGAC
**Differences: 3
In other words, your program should output the first strand, then on the next line output a space if the corresponding bases are the same
and an 'X' if not, followed by the second strand, followed by a summary of the # of differences. If the strands are identical, the # of
differences reported should be 0.
Hint: this is not as hard as it looks. Input the 2 DNA strands, output the first, then loop over the strings like you have done in the other
exercises. But instead of comparing the ith character to a known letter such as 'C' or 'G', compare to the ith character in the other string
Count and output as you loop, then after the loop output the 2nd DNA strand and the # of differences.

Expert Solution

Step 1: Algorithm of the program:

Algorithm: Compare DNA Strands

Input two DNA strands, strand1 and strand2.
If the lengths of strand1 and strand2 are not equal, return an error message indicating that DNA strands must be of equal length.
Initialize a variable, differences, to 0 to count the number of differences.
Initialize an empty string, comparison_result, to store the visual comparison of the two strands.
Loop over the corresponding bases of strand1 and strand2 using the zip function.
For each pair of bases, if they are the same, add a space to comparison_result. Otherwise, add 'X' to comparison_result and increment the differences count by 1.
After the loop, print strand1, comparison_result, strand2, and the total number of differences.

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