Two phenotypically normal parents have six children. Two daughters and two sons have the same
genetic disease. This would be the expected situation for
A. hemophilia.
B. cystic fibrosis.
C. Marfan syndrome.
D. hypophosphatemia.
E. all of these.
B
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Your alarm clock goes off once again, and it is 7 a.m. Which neural event sends the signal to your cortex for you to
know to hit the snooze button?
a. The number of alpha waves emitted by the brain increases. b. The number of theta waves emitted by the brain increases.
c. The reticular activating system sends stimuli to the cerebral cortex. d. The cerebellum sends stimuli to the cerebral cortex. e. The cerebellum sends stimuli to the limbic system.
Which of the following events does NOT occur in
prophase II but does occur in prophase I? a. crossing over b. pairing of homologues c. spindle formation d. crossing over and pairing of homologues only e. crossing over, pairing of homologues, and spindle formation
The golden age of antibiotics began in 1928 with Sir Alexander Fleming's discovery of an antibacterial compound he called what?
A) Arsenic B) Salvarsan C) Sulfonamide D) Penicillin E) Tetracycline
The C4 pathway ____.
A. produces large amounts of carbohydrates B. is less efficient than the C3 pathway C. is the mechanism of photorespiration D. involves the activity of rubisco E. fixes carbon twice