Which test would be useful for determining if multiple male samples are related?

a. mtdna b. rflp c. y-chromosome d. none of these

The correct answer would be option c. Y chromosome.

In humans, the males contain one X chromosome and one Y chromosome. In contrast, females contain two X chromosomes.

Thus, DNA sampling of the Y chromosome would be best to determine if the two male samples are related or not.

In addition, mtDNA is often inherited from the mother and thus, it would not be a good option to determine the relationship between the male samples.

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