Scientists Have Created a Strain of "Smart Mice" by Manipulating

question 69

Multiple Choice

Scientists have created a strain of "smart mice" by manipulating the genes that guide:

• A)the brain's reward pathway.
• B)the development of Wernicke's area.
• C)hippocampal development.
• D)the development of the orbitofrontal cortex.

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Definitions:

Peristaltic Contractions

Wave-like muscle contractions that move food through the digestive tract.

Secondary Oocyte

Oocyte in which the second meiotic division stops at metaphase II unless fertilization occurs.

Corpus Luteum

Yellow endocrine body formed in the ovary in the site of a ruptured vesicular follicle immediately after ovulation; secretes progesterone and estrogen.

Testosterone

A primary male sex hormone and an anabolic steroid, important for male sexual and reproductive development, as well as muscle and bone mass.