[单选题]
A DNA profile was mad
s)cmekf.2n b:za rlc /2qt72w e using DNA from a crime scene.
0w q 2cz f(4xkoiube8ilz--c* Locus TH01 was used to identify whether a suspect’
*c2qb8-fziukzxweoi -(cl0 4 s DNA matched the crime scene DNA. The suspect’s two alleles of the gene at Locus TH01 are shown below.
The alleles TH01-6 and TH01-4 were separated and visualised with gel electrophoresis. The resulting gel, with two bands of DNA, is shown below.
What is the DNA in Band B and why is this DNA at this position?