In the mitochondrial DNA sequence, within the control region, what are the sub-r

In the mitochondrial DNA sequence, within the control region, what are the sub-regions more commonly analyzed in forensic sciences? (4 points).
When a suspect cannot be excluded from contributing to a crime scene, what are some of the challenges a DNA analyst can have if only Y-STR profile from the crime scene is available? Or in other words, “Describe in your own words, one limitation of Y-STRs when comparing Y-STR profiles between members of the same family” (4 points)
What are some of the situations where mtDNA may be used and some of the benefits of doing so? (4 points)
What keeps forensic laboratories from performing more nonhuman DNA testing? (4 points)
What are some of the challenges with trying to determine a reliable Y-STR profile frequency estimate when a suspect cannot be excluded from contributing to a crime scene sample? Or in other words “What are some of the challenges with trying to calculate the uniqueness of a Y-STR profile – what are the limitations of the counting method?” (5 points).
Why are disaster victim identifications more challenging than missing persons investigations? (4 points)