In non-sex linked inheritance, the gene for albinism is located on chromosome 15. If both the father and mother are normal carriers, the chance (percentage) for the child to be a normal carrier (genotype) is:
a. 0%
b. 25%
c. 50%
d. 75%
e. 100%
Ans: c. 50%
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Postganglionic axons are
A. myelinated. B. unmyelinated. C. sometimes myelinated and sometimes unmyelinated.
Briefly name the subphases of interphase and tell what they do
What will be an ideal response
During endochondral bone formation,
A) the matrix of the cartilage model becomes calcified. B) cells of the perichondrium differentiate into osteoblasts. C) osteoclasts erode the center of the new bone to form a marrow cavity. D) capillaries and osteoblasts migrate into the heart of the cartilage. E) All of the answers are correct.
In this activity, which of the following will increase the stimulus intensity?
A) decreasing the absolute refractory period B) increasing the relative refractory period C) increasing the absolute refractory period D) increasing the duration of the stimulus