According to Figure 14.2, the average number of new mutations that occur across an entire human genome in one generation is around ____ times higher than in nematodes
A. 2
B. 10
C. 100
D. 1000
E. 10,000
C
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A bacteriophage transfers a random fragment of DNA of the previous host to the current host. This is an example of
A. the creation of an Hfr cell. B. generalized transduction. C. conjugation. D. specialized transduction.
How do autopolyploidy and allopolyploidy differ?
A. Only autopolyploidy involves an increase in chromosome sets. B. The chromosomes of an autopolyploid individual come from the same species, while an allopolyploid individual has sets of chromosomes from different species. C. Autopolyploidy is a mechanism of speciation in plants, while allopolyploidy is a mechanism of speciation in animals. D. Autopolyploidy is sympatric, while allopolyploidy is allopatric.
The "scientific creationism" view includes all of the following beliefs except that
A. biblical account of the origin of the earth is literally true. B. the organisms did not change from their original appearance. C. all species of organisms were individually created. D. extinct species are replaced with new ones. E. the earth is much younger than most scientists believe.
The stalk of a leaf is called the ________.
Fill in the blank(s) with the appropriate word(s).