Consider an advantageous allele segregating in a population as a major polymorphism. which of the following would not generally slow the fixation of the allele?
a. the environment changes in such a manner as to reduce the selective advantage.
b. the population begins to receive immigrants from a population that maintains the same initial frequency of the alleles.
c. in addition to being advantageous the allele also exhibits overdominance.
d. the population begins to exhibit positive assortative mating for each of the genotypes.
e. the population size increases.

Which statement best describes a typical difference that could be found between the "analysis" and "conclusion" sections of a lab report? a) only the "conclusion" describes errors that occurred during the experiment, and only the "analysis" section suggests further research.b) only the "analysis" section includes specific data comparisons, and only the "conclusion" section suggests further research.c) only the "analysis" section discusses whether the original hypothesis was supported, and both sections include graphs of data.d) only the "conclusion section discusses whether the original hypothesis was supported, and both sections suggest further research.(the answer is b i just took the test)