In pedigree charts, if both parents are carriers of an autosomal recessive disorders, typically the disorder will
A. occur every third generation.
B. appear in every generation.
C. seem to disappear in one generation, only to reappear in the next generation.
D. appear only in females.
E. appear only in males.
C. seem to disappear in one generation, only to reappear in the next generation.
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What will be an ideal response?
Which of the following statements regarding the oxygen atom of a water molecule is true?
A) Oxygen is more positively charged than the hydrogen atoms. B) Oxygen attracts electrons less strongly than the hydrogen atoms. C) Oxygen is more electronegative than the hydrogen atoms. D) Oxygen is attracted to the negatively charged atoms of other molecules.
Which of the following statements about rabies is FALSE?
A) It is caused by Lyssavirus. B) Hydrophobia is associated with the disease. C) Most infections in the U.S. are the result of bites from infected dogs. D) Diagnosis is based on immunofluorescent techniques. E) Average incubation period is 30 to 50 days after initial infection.
a release of melatonin earlier in the evening
What will be an ideal response?