Humans have an MN gene that codes for a red
blood cell antigen. The gene has two alleles, M
and N. When the two alleles are inherited
together, MN, both are expressed. This is an
example of
a. codominance.
b. incomplete dominance.
c. complete dominance.
d. X-linked inheritance.
e. base-pair substitution
A
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cephalization refers to the trend for animals with more complex body types to
A. concentrate nervous tissue in the anterior (head) end of the animal. B. become bilaterally symmetrical. C. develop a brain with clear divisions between "gray" and "white" matter. D. develop a segmental organization to the nervous system. E. concentrate sensory organs in the anterior end of the animal.
Which of the following is the longest phase of
the cell cycle?
a. interphase b. prophase c. metaphase d. anaphase e. teleophase
Which of the above letters represents the brain
or controlling system of nerve reactions in this organism? a. A b. B c. C d. D e. none of these
An enlarged prostate gland can lead to kidney stones in males.
Answer the following statement true (T) or false (F)