Is it possible for a man with type O blood to be the father of a child with type A blood?
A. No
B. Yes
Answer: B
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Identical gene loci are located on ____________________
Fill in the blank(s) with correct word
What would be the most significant, immediate result of a complete collapse of bee colonies across the United States?
a. a decrease in the size and brilliance of commercial flower arrangements b. global shortages of critical honey supplies, and related baked goods c. failure of fruit and vegetable crops that depend on bees for pollination d. a collapse of the insect repellant and fly-swatter industries
Which of the following statements is incorrect about Staphylococcus aureus food intoxication?
A. Symptoms come on quickly and include nausea, vomiting, and diarrhea. B. Ingestion of the pathogen allows it to multiply and damage the GI tract lining. C. Food becomes contaminated by a human carrier. D. Common affected foods include custards, ham, cream pastries, and processed meats. E. Food left unrefrigerated for several hours is at risk for contamination.
In some male songbirds, long winter nights lead to an increase in melatonin secretion. The rise in melatonin indirectly prevents singing and other courtship behaviors by slowing secretion of which hormone?
a. testosterone b. estrogen c. thyroid hormone d. follicle stimulating hormone e. growth hormone