In Order to Estimate the Age of the Split Between

question 39

Multiple Choice

In order to estimate the age of the split between the globin gene clusters, scientists examined which of the following?

• A) The fossil record
• B) The molecular clock assumption
• C) The ratio of nonsynonymous to synonymous substitution rates
• D) Both a and b
• E) Both b and c

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Definitions:

Hematocrit

Hematocrit is a measure of the volume percentage of red blood cells in the blood, used in diagnosing and monitoring various medical conditions.

Blood Viscosity

A measurement of the resistance of blood to flow, which can affect blood pressure and circulation, influenced by factors such as hematocrit and plasma protein levels.

Respiratory Pump

A mechanism involving the muscles of the thorax and abdomen, which helps in moving air in and out of the lungs during breathing.

Diaphragm

a large, dome-shaped muscle located at the base of the lungs that plays a crucial role in breathing.