A patient is being evaluated for possible breast cancer. Which of the following genetic conditions would indicate the greatest increase risk?
a. Mother developed breast cancer
b. Mother had smoked when she was a child
c. Paternal aunt has breast cancer
d. Paternal grandmother has breast cancer
Answer: a. Mother developed breast cancer
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The portion of the hair that extends above the surface of the skin is the ________.
A. medulla B. shaft C. cuticle D. root E. hair bulb
The figure illustrates muscles of the anterior surface of the body. What does "A" represent?
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In populations where social homeostasis is evident, an increase in population density would likely trigger a response within the colony causing a reduction in breeding
Indicate whether the statement is true or false