What average global total fertility rate is needed for zero population growth?
A. 1
B. 2
C. 2.3
D. 2.59
E. None of the choices are correct
C. 2.3
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You want to determine the function of a vertebrate gene by creating a mutant strain. What model organism would be most suitable?
A. C. elegans B. Arabidopsis C. sea urchin D. Brachydanio rerio E. Drosophila melanogaster
What is polyploidy?
a. less than the correct number of chromosome sets b. an extra chromosome 21 c. more than the correct number of chromosome sets d. a missing sex chromosome
________ have been defined as communities of organisms and their physical and chemical environments that function as self-regulating units.
Fill in the blank(s) with the appropriate word(s).
Dideoxy nucleotides are used in which of the following processes?
A. transformation B. making a recombinant plasmid C. microarray analysis D. PCR E. DNA sequencing