someone robbed a jewelry store. the robber’s dna was extracted from skin cells found on the broken glass of a jewelry case. the police collected dna samples form three suspects. the letters below represent the sequences of nitrogen bases in the dna. based on the dna found at the crime scene, circle the dna of the guilty suspect.
robber: gaccagttagctaagtct
suspect 1: tagctga
suspect 2: gacgagt
suspect 3: ctaagtc
help me please
To determine which suspect is guilty based on the DNA found at the crime scene, we need to compare the suspect's DNA sequences to that of the robber's DNA sequence.
The robber's DNA sequence is: gaccagttagctaagtct.
Let's compare it to each suspect's DNA sequence one by one:
Suspect 1: tagctga
Suspect 2: gacgagt
Suspect 3: ctaagtc
Comparing the DNA sequences, we can see that only Suspect 2: gacgagt, contains a partial match with the robber's DNA sequence. Therefore, the guilty suspect would be Suspect 2.
To identify the guilty suspect based on the DNA found at the crime scene, we need to compare the DNA sequence of the robber with the DNA sequences of the suspects. We are looking for a match between the robber's DNA and one of the suspects' DNA.
Let's compare the robber's DNA sequence with each suspect's DNA sequence:
Robber: gaccagttagctaagtct
Suspect 1: tagctga
Suspect 2: gacgagt
Suspect 3: ctaagtc
To make the comparison easier, we can align the sequences. Since the robber's DNA sequence is longer than the suspects' sequences, we will look for a match within the same length of the robber's sequence.
Aligned sequences:
Robber: gaccagttagctaagtct
Suspect 1: ------tagctga--
Suspect 2: -------gacgagt
Suspect 3: ------ctaagtc--
Looking at the aligned sequences, we can see that the suspect whose DNA sequence matches a significant portion of the robber's sequence is "Suspect 1". Specifically, "Suspect 1" has "tagctga" which matches the segment "tagcta" in the robber's DNA sequence.
Therefore, based on the DNA found at the crime scene, "Suspect 1" is the guilty suspect.