A true breeding black rabbit is crossed with a true breeding white rabbit to produce an F1 generation with 8 individuals. If blending inheritance were true, which of the following would represent the expected phenotype of the F1 generation?
A. 8 black rabbits, 0 white rabbits, 0 grey
rabbits
B. 2 black rabbits, 2 white rabbits, 4 grey
rabbits
C. 0 black rabbits, 0 white rabbits, 8 grey
rabbits
D. 4 black rabbits, 2 white rabbits, 2 grey
rabbits
E. 6 black rabbits, 2 white rabbits, 0 grey
rabbits
C
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The frustule of diatoms is made of:
a. cellulose. b. calcium carbonate. c. silica. d. protein. e. starch.
Even though the U.S. tuna fishing industry is actively trying to avoid catching dolphins, there is still a big dolphin catch by foreign tuna fishers
Indicate whether the statement is true or false
Organisms can perceive different intensities of a stimulus by
a. an increase in the frequency of action potentials of an afferent neuron. b. an increase in intensity of the action potentials of an afferent neuron. c. an increase in the numbers of afferent neurons generating action potentials. d. an increase in intensity and frequency of action potentials as well as an increase in the number of cells generating action potentials. e. an increase in the frequency of action potentials generated by an afferent neuron as well as an increase in the numbers of afferent neurons generating action potentials, but without any change in the intensity of individual action potentials generated by the neurons.
Seems to have many layers; layered appearance result of overcrowding; outermost cells appear rounded or cuboid
A. Pseudostratified columnar B. Simple columnar C. Simple cuboidal D. Simple squamous E. Stratified squamous F. Transitional