In order to be functional, a eukaryotic chromosome requires all of the following except（）
A. a nucleoid.
B. a centromere
C. origins of replication
D. telomeres
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Which of the following scientists contributed significantly to the foundations of transmission genetics（）
A. Thomas Hunt Morgan
B. James Watson
C. John B. S. Haldane
D. Charles Darwin
The contribution Charles Darwin made to genetics was to（）
A. propose that evolution occurs by natural selection
B. demonstrate the connection between Mendel’s principles of inheritance and evolution
C. develop the theory of evolution, based on earlier theories of population genetics
D. connect the fields of evolution and molecular genetics
Diploid cells are cells with ______ chromosomes（）
A. two sets of
B. a single set of
C. circular
D. many sets of
E. three sets of
Which of the following would serve least well as a model for understanding basic mechanisms of inheritance（）
A. humans
B. fruit flies
C. yeast
D. mice
E. zebrafish
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