Compare the functions of meiosis I and II in the overall generation of gametes
What will be an ideal response?
Meiosis I is important in providing opportunities for genetic variability to be introduced. This is
accomplished via crossing over in prophase I and via random assortment in anaphase II. The primary
purpose of meiosis II is to create the haploid state after recombination and assortment created genetic
variability.
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In presenting data that result from an experiment, a group of students show that most of their measurements fall on a straight diagonal line on their graph. However, two of their data points are "outliers"
and fall far to one side of the expected relationship. What should they do? A) Do not show these points because clearly something went wrong in the experiment. B) Average several trials, rule out the improbable results, and do not show them in the final work. C) Show all results obtained and then try to explore the reason(s) for these outliers. D) Do not report this set of data and do the research again. E) Change the details of the experiment until they can obtain the expected results.
Decomposers perform their recycling efforts on organisms
a. at the end of a food chain. b. on the top of a pyramid. c. that are producers. d. that are consumers. e. all of these.
Figure 12.5
The accompanying figure illustrates ____.
A. anaphase I B. metaphase I C. metaphase II D. crossing over E. migration
Modern humans share the greatest similarities with which one of the hominids?
A. Cro-Magnons B. Australopithecines C. Primates D. Neanderthals E. Prosimians