Which of the following elements can foster the process of crossing over?
A. RNA polymerase
B. promoter elements
C. enhancer elements
D. transposable elements
E. topoisomerase
D. transposable elements
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__________ occurs in different patterns depending on the species and selection pressures. Fill in the blank(s) with the appropriate word(s)
Specific aneuploidies are associated with various cancers. Indicate whether the statement is true or false
Two possible end products of fermentation are ________ (as is produced by our muscle cells under anaerobic conditions) and ________ (as is produced by yeast under anaerobic conditions)
Fill in the blank(s) with correct word
Crossing over ___________________.
A. increases variability in gametes B. happens only once per homologous pair C. occurs between sister chromatids D. prevents genetic recombination E. is followed immediately by separation of the chromatids