Seedless bananas are produced from
A) sterile tetraploid allopolyploid plants.
B) sterile triploid autopolyploid plants.
C) monoploid plants grown from unfertilized seeds.
D) fertile diploid plants that are unfertilized.
E) Both C and D
A
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The most common vector-borne disease in North America and Europe transmitted by the bite of Ixodes ticks is caused by:
a. Leptospira interrogans. b. Borrelia burgdorferi. c. Treponema carateum. d. Rickettsia rickettsii.
Four of the five answers listed below are portions of the theory of natural selection. Select the
exception. a. variation is heritable b. heritable traits vary in adaptability c. more organisms are produced than can survive d. the largest and strongest always contribute more genes to the next generation e. natural selection is the result of differential reproduction
Baja California is a relatively dry Mexican state but has begun to desalinate seawater for the eastern and driest part of the state. If you were one of the managers of an irrigation project using this water, what measures would you adopt?
What will be an ideal response?
Which of the three types of viruses shown in the figure above would you expect to include glycoproteins as part of their overall structure?
A) I only B) II only C) III only D) I and II only