Polydactyly is an example of a trait that is both ___________ and variably expressive
A) completely penetrant B) incompletely penetrant
C) pleiotropic D) multifactorial
B
Anatomy & Physiology
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Red blood cells, or ____________________, are biconcave, disc-shaped cells.?
Fill in the blank(s) with correct word
Anatomy & Physiology
The "heart" can actually be classified as a hormone-producing structure.
a. true b. false
Anatomy & Physiology
All of the following can contribute to receptor specificity except
A) the structure of the receptor cell. B) characteristics of the receptor cell membrane. C) accessory cells that function with the receptor. D) accessory structures and tissues that shield the receptors from other stimuli. E) density of the receptors.
Anatomy & Physiology
At sea level, atmospheric PO2 is about 760 mmHg
Indicate whether the statement is true or false.
Anatomy & Physiology