An allele that is not expressed in the heterozygous condition is

A. codominant.
B. recessive.
C. dominant.
D. autosomal.


Answer: B

Anatomy & Physiology

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The only organ controlled by efferent motor neurons is __________

Fill in the blank with correct words.

Anatomy & Physiology

Air entering the body is filtered, warmed, and humidified by the

A) upper respiratory tract. B) lower respiratory tract. C) lungs. D) alveoli. E) bronchioles.

Anatomy & Physiology

A cell which uses an organic carbon source and obtains energy from light would be called a(n):

a) photoautotroph b) chemoautotroph c) photoheterotroph d) chemoheterotroph

Anatomy & Physiology

You have received a copy of your blood report. You were happy to see high levels of:

A) cholesterol. B) very-low density lipoproteins (VLDLs). C) low-density lipoproteins (LDLs). D) high-density lipoproteins (HDLs).

Anatomy & Physiology