Which of the following is FALSE about
camptodactyly?
a. Not all individuals who inherit the allele do
express the allele.
b. The condition affects the shape and
mobility of fingers.
c. Some individuals have abnormal fingers on
only one hand.
d. It is caused by a multiple allele system.
e. Individual differences in the expression of
this gene may stem from a variety of
causes
D
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In the experiment, what would be considered the control group?
a. the bacteria-free bean bugs b. the bacteria-infested bean bugs c. the use of pesticides on the soybean plants d. the number of deaths caused by eating the plants
Within a single motor neuron, the direction an
impulse follows is a. dendrite >>> axon >>> cell body. b. axon >>> dendrite >>> cell body. c. dendrite >>> cell body >>> axon. d. cell body >>> dendrite >>> axon. e. cell body >>> axon >>> dendrite.
The geographical distribution of organisms makes sense only in the context of:
a. natural selection. b. plate tectonics. c. continental drift. d. evolution. e. ecology.
Which of the following best describes the main structural components of a virus?
a) nucleic acid and enzymes b) prophage and nucleic acid c) nucleic acid and protein capsid d) protein capsid and enzymes e) prophage and protein capsid