If a woman gives birth to identical triplets, how many ova were fertilized?
A) one
B) two
C) three
D) from one to three
E) one or two
A) one
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What type of muscle cell(s) have more than one nucleus?
A. Skeletal muscle cells only B. Smooth muscle cells only C. Smooth muscle cells and skeletal muscle cells D. Cardiac muscle cells and smooth muscle cells
The distribution of nutrients into the bloodstream is aided by the lymphatic system.
Answer the following statement true (T) or false (F)
A 36-year-old man enters the hospital in an extremely debilitated condition. He has purple-brown skin lesions (a symptom of Kaposi's sarcoma) and a persistent cough
A physical examination reveals swollen lymph nodes, and laboratory tests find a very low lymphocyte count. Information taken during the personal history reveals that he has multiple sex partners with whom he frequently engages in unprotected sex. What is likely to be the man's problem and what is his outlook? What will be an ideal response
Which of the following is an example of incomplete dominance?
A. minor thalassemia B. major thalassemia C. beta thalassemia D. polymorphism E. ABO blood groups