Match the type of phenotypic change below with the type of genetic change most likely to cause it. Each type of genetic change may be used more than once, or may not be used at all
Phenotypic changes:
1.
A protein normally localized in the nucleus is now localized in the cytoplasm. _________
2. A protein acquires a DNA-binding domain. _________
3. Tandem copies of a gene are found in the genome. _________
4. A copy of a bacterial gene is now found integrated on a human chromosome. _________
5. A protein becomes much more unstable. _________
6. A protein normally expressed only in the liver is now expressed in blood cells. ________
Types of genetic change:
A. mutation within a gene
B. gene duplication
C. mutation in a regulatory region
D. exon shuffling
E. horizontal gene transfer
1—A; 2—D; 3—B; 4—E; 5—A; 6—C
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The specific discipline that linked Mendel's and Darwin's work was ____
a. population ecology b. paleobiology c. population genetics d. biogeography e. modern synthesis
Energy losses are multiplied in successive energy transfers in a food web
Indicate whether the statement is true or false.
Which of the following is TRUE of exotic
species?
a. In general, exotic species do not have predators in their new location. b. An exotic species is a species that evolved in one region but has been introduced to and become established in another. c. An exotic species is often untroubled by competitors. d. An exotic species is often untroubled by parasites and diseases. e. All of these are true.
The human heart
a. contracts as a result of stimuli from the sinoatrial node. b. contracts only as a result of nerve stimulation from the central nervous system. c. is activated primarily through the autonomic nervous system. d. rate is primarily under the control of the atrioventricular node. e. is independent of all nervous control