A Diploid Somatic Cell from a Rat Has a Total

question 49

Multiple Choice

A diploid somatic cell from a rat has a total of 42 chromosomes (2n = 42) . As in humans, sex chromosomes determine sex: XX in females and XY in males. What is the total number of telomeres in a rat cell in G₂?

• A) 21
• B) 42
• C) 84
• D) 126
• E) 168

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Definitions:

Footdrop

Abnormal neuromuscular condition of the lower leg and foot characterized by an inability to dorsiflex, or evert, the foot.

Hypostatic Pneumonia

A type of pneumonia that results from the collection of fluid in the dorsal region of the lungs, commonly occurring in patients who are immobile for extended periods.

Impaired Skin Integrity

A condition where the skin is damaged, resulting in a disruption of its structure and function, which can be due to various factors including wounds, pressure sores, or burns.

Passive ROM

Range of Motion exercises where muscles are stretched and joints are moved without the patient's effort, often performed by a therapist.