A pea plant heterozygous for the purple-color gene (Aa) is self-pollinated. What color ratios are expected in the offspring?
a. 3 purple: 1 white
b. 1 purple: 2 lavender: 1 white
c. 1 white: 3 purple
d. 1 purple: 1 white
a
You might also like to view...
Chaparral is
A. a type of shrubland/grassland. B. a type of forest. C. restricted to serpentine soils. D. widespread in Africa. E. distinguished by tall trees.
If myelin was lost from the neuron firing the action potential graphed, the action potential cycle would
A) go much faster than depicted in the graph. B) go much faster than normal but not peak at 30 mV. C) go slower than depicted in the graph. D) go much slower than normal but peak much higher than 30 mV. E) remain the same.
Hypotheses explaining the development of autoimmune disease include
A) molecular mimicry. B) genetic factors. C) overuse of vaccines. D) molecular mimicry and vaccines. E) molecular mimicry and genetic factors.
________ can vary between strains of an organism depending on the ability to adhere, colonize, and invade a host
a. Attenuation b. Virulence c. Disease d. Infection