You have two populations of flowering plants. In these populations floral color is controlled by one gene. The red gene (R) is dominant to the white gene (r). In population one, 75% of the flowers are red, in population two 25% of the flowers are white
Assuming H-W, which
population has a greater frequency of the R allele?
A. population 1
B. population 2
C. Neither; they both have the same
frequency.
C
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Literally hundreds of clinically useful EIAs have been developed
Indicate whether the statement is true or false.
All of the following are true of hypertension
EXCEPT
a. it may be caused by diet. b. it usually develops after a person has a stroke. c. it may be genetic. d. it refers to chronically high blood pressure. e. it usually does not have any symptoms
Which of the following best illustrates the first law of thermodynamics by Niagara Falls?
a. Water at the top of the falls has high kinetic energy; as the water moves over the waterfall, its kinetic energy is converted into potential energy; when the water reaches the bottom of the waterfall, its potential energy is transformed into other types of energy: heat, sound, and mechanical energy. b. Water at the top of the falls has high potential energy; as the water moves over the waterfall, its potential energy is converted into kinetic energy; when the water reaches the bottom of the waterfall, its kinetic energy is transformed into other types of energy: heat, sound, and mechanical energy. c. Water at the top of the falls has high potential energy; as the water moves over the waterfall, its potential energy is converted into kinetic energy; when the water reaches the bottom of the waterfall, its kinetic energy is transformed into potential energy again. d. Water at the top of the falls has high potential energy; as the water moves over the waterfall, its potential energy is converted into kinetic energy; when the water reaches the bottom of the waterfall, its kinetic energy is lost.
Which of the following statements about genomic DNA libraries is false?
(a) The larger the size of the fragments used to make the library, the fewer colonies you will have to examine to find a clone that hybridizes to your probe. (b) The larger the size of the fragments used to make the library, the more difficult it will be to find your gene of interest once you have identified a clone that hybridizes to your probe. (c) The larger the genome of the organism from which a library is derived, the larger the fragments inserted into the vector will tend to be. (d) The smaller the gene you are seeking, the more likely it is that the gene will be found on a single clone.