Note that suspect B has only one band in his lane.This is most likely an indication that:
A) He is homozygous for the gene.
B) He is trisomic for the trait.
C) His DNA was contaminated during the collection process.
D) Band shifting occurred.

Question

Quizplus · Accepted Answer

If suspect B has only one band in his lane, it means that he has only one allele for the gene being analyzed. This is most likely explained by the fact that he is homozygous for that gene, meaning he inherited the same allele from both parents.

Note That Suspect B Has Only One Band in His