Investigators at a Crime Scene Have Isolated DNA from a Y

question 70

Multiple Choice

Investigators at a crime scene have isolated DNA from a Y chromosome and have analyzed it for its STRs.They have a prime suspect,but he is not cooperating.However,several of his relatives are willing to help by donating DNA samples.Which relative will have the most similar Y chromosome?

• A) his half-brother
• B) his mother's brother
• C) his father's father
• D) his mother's father
• E) his mother's grandfather

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Definitions:

Cerebrospinal Fluid

A clear, colorless body fluid found in the brain and spinal cord, acting as a cushion for the brain's cortex, providing basic mechanical and immunological protection to the brain inside the skull.

Saltatory Transmission

The rapid propagation of nerve impulses along myelinated axons from one Node of Ranvier to the next, increasing the speed of electrical signal transmission.

Central Nervous System

The part of the nervous system comprising the brain and spinal cord, responsible for processing and sending out information to the rest of the body.

Limbic System

A complex system of nerves and networks in the brain, involved in various emotional states and biological drives.