Which genetic condition is revealed in the karyotype display shown in the accompanying figure?
a. Turner syndrome
b. Down syndrome
c. cri-du-chat
d. Triple-X syndrome
e. Klinefelter syndrome
ANSWER: b
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Which of the following statements about agricultural fertilizers is false?
A. Global nitrate and phosphate resources are in decline. B. Large amounts of fertilizers are necessary to maintain high crop yields year after year. C. Nitrate and phosphate runoff cause eutrophication in different communities. D. Phosphates are obtained exclusively through mining. E. If the human production of fixed nitrogen stopped, the amount of fixed nitrogen added to the biosphere each year would only be about half of what it is now.
Most organisms that cause health-care-associated infections come from endogenous sources.
Answer the following statement true (T) or false (F)
The sympathetic and parasympathetic divisions of the autonomic nervous system tend to have opposing actions on target organs.
Answer the following statement true (T) or false (F)
A(n) ___ light is used to search the crime scene for semen stains.
What will be an ideal response?