A Conventional STR Profile Emanating from a Mixture of DNA

question 30

Multiple Choice

A conventional STR profile emanating from a mixture of DNA from male donors yields four peaks or bands for each locus present. How many peaks or bands would you normally expect for each locus if a Y-STR profile is performed on the same sample?

• A)One
• B)Two
• C)Three
• D)Four

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Definitions:

Tropic Cascades

Ecological phenomena where predators in a food web indirectly affect the abundance or distribution of their prey's prey, through a chain of interactions.

Keystone Species

A pivotal species within an ecosystem that other species heavily rely on, whose absence would result in profound alterations to the ecosystem's composition.

Cryptic Coloration

Colors or markings that help some organisms hide from predators by blending into their physical surroundings. Compare with aposematic coloration.

Unpalatability

The quality or state of being unappetizing to eat or difficult to digest, often a defense mechanism in plants and animals against predators.