Although whole-genome duplications that result in polyploidy are fairly common in plant species, which of the following are common in other eukaryotes?
A) duplication of whole chromosome arms
B) segmental duplications of small gene regions
C) deletion of an entire haploid set of chromosomes
D) whole chromosome loss
E) miscellaneous aneuploidies in living members of a species
B
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HIV inserts its genome into the host cell's DNA
a. True b. False
When Melvin Calvin and Andrew Benson reduced the CO2 available to cells in the photosynthesis
experiments, they discovered that RuBP accumulated. Why did this molecule accumulate?
a. There wasn't sufficient light to drive photosynthesis. b. The cells had too little ATP. c. There were not enough reactants to generate 3PGA. d. The RuBP was defective in structure and unable to form a bond with CO2. e. Rubisco was inhibited by the RuBP excess.
Farmers and horticulturalists have bred broccoli, cauliflower, kale, and cabbage from the wild mustard plant through
A. genetic drift. B. evolution. C. natural selection. D. sexual selection. E. artificial selection
An application of too much fertilizer will negatively affect the movement of materials in the phloem.
Answer the following statement true (T) or false (F)