If tall (D) is dominant to dwarf (d), and two
homozygous varieties DD and dd are crossed,
then what kind of progeny will be produced?
a. all intermediate forms
b. all tall
c. all dwarf
d. 1/2 tall, 1/2 dwarf
e. 3/4 tall, 1/4 dwarf
B
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What is depicted in the above diagram?
a. a sensory neuron b. an interneuron c. a motor neuron d. a neuroglial cell e. none of these
Charlene loved to eat raw garlic in various dishes. She didn't notice any strong smell, so she couldn't understand why others didn't want to be around her. What sensory phenomenon is she demonstrating?
A) sensory adaptation B) action potentials C) receptor potentials D) accommodation
How can researchers confirm that phloem moves from a source to a sink?
A. They can use radioactive tracers to measure the flow of sap between two distances over time. B. They can study the cause of maple sap flow in producing syrup. C. They can observe the uptake of ink into the stem of celery. D. They can observe aphids and cut off their beaks. E. They can observe the effects of girdling a tree below the level of the majority of leaves.
Lyme disease can be transmitted by being bitten by an
a. infected mite. b. infected mosquito. c. infected flea. d. infected tick.