When a Woman Becomes Pregnant from the Fertilization of Two

question 57

Multiple Choice

When a woman becomes pregnant from the fertilization of two separate ova by two separate sperm, these twins are called _________ twins:

• A) dizygotic
• B) monozygotic
• C) identical
• D) nonfraternal

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Definitions:

Broca's Area

Broca's area is a region in the frontal lobe of the dominant hemisphere (usually the left) of the brain with functions linked to speech production and language processing.

Sensorimotor Cortex

A region of the cerebral cortex involved in processing sensory information and controlling motor functions.

Brain Imaging Technique

A method used to visualize the structure or function of the brain through various technologies such as MRI, CT scans, or PET scans.

PET

A medical imaging technique that produces a three-dimensional image or picture of functional processes in the body by detecting pairs of gamma rays emitted indirectly by a positron-emitting radionuclide.