The Hawthorne and apple maggot flies appear to have become reproductively isolated from each other
largely because:a.
they occur on different sides of the Mississippi River.
b. they have different mating behaviors.
c. they occupy different parts of the habitat.
d. they have adapted to two different hosts.
e. they mate at different times of the day.
D
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Use specific examples to describe the difference between a differential and a selective medium
What will be an ideal response?
Genes A and B are on the same chromosome. What gametes could an AABB individual produce, if crossing-over and nondisjunction do not occur?
A. AB B. AAB C. B D. A E. AABB
If you cross two pea plants, one with green peas and the other with yellow peas, you find all of the offspring have yellow peas. You conclude Select one:
a. yellow is incompletely dominant over green. b. yellow is dominant over green. c. green is dominant over yellow. d. yellow and green are co-dominant. e. color is random in pea plants.
You are travelling and order a salad and bottled water. You later are feeling ill. What is your best guess?
A. Enterohemorrhagic E. coli B. Vibrio vulnificus C. Enterotoxigenic E. coli D. Clostridium botulinum