Which of the following events must occur to cause a chromosomal translocation, such as that seen in individuals with chronic myelogenous leukemia (CML)?
A. One chromosome must break in two distinct locations.
B. Two different chromosomes must break.
C. A transposon must be present in one of the chromosomes.
D. The broken ends must pair correctly.
E. A mutation in the DNA must occur.
B. Two different chromosomes must break.
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In an approach called ________ taxonomy, relatedness is determined by a wide range of phenotypic and genotypic information.
Fill in the blank(s) with the appropriate word(s).
Heavy metals work by
A. inactivating proteins. B. binding to DNA. C. mutating DNA. D. dissolving the cell wall. E. rupturing the cell membrane.
Based on Figure 18-11, the two present day continents that should have the most closely related plant
and animal species are:a.
North and South America.
b. Africa and Australia.
c. Africa and South America.
d. Australia and India.
e. Eurasia and India
The salivating response to a bell is what Pavlov called a(n) unconditioned response. Indicate whether the statement is true or false