In Mendel’s experiments, which of the following generated identical F 1 and F 2 offspring ratios?
a. reciprocal crosses
b. meiosis
c. test crosses
d. mitosis
a. reciprocal crosses
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The genomes of many organisms have been sequenced. What benefits or uses could result from this information?
A. personalizing medicine based on individual genomic sequence B. tracing evolutionary history and relationships of organisms C. elucidating genetic patterns of medical interest D. identifying genes of agricultural import E. All of these choices are benefits of genome sequencing.
Fairy shrimp that are found in deserts tend to have very drought-resistant eggs that can remain
dormant for many months. Which of the following disturbances might have a positive effect on seasonal reproduction in fairy shrimp?
a. fire b. drought c. flooding d. introduction of an invasive predatory fish
Which test is used to identify antigens on red blood cells for blood typing?
A. ELISA B. Precipitation C. Western blot D. Agglutination E. Microarrays
Which of the following is an underwater opening from which mineral-rich water heated by geothermal energy streams out?
A. Hydrothermal vent B. Iron–sulfur plume C. Geothermal geysers D. Continental shelf E. Undersea volcano