Which of the following is not a source of genetic variety?

A. crossing over
B. synapsis
C. random fertilization
D. independent assortment


Answer: B

Biology & Microbiology

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A nucleic acid contains thymine, allowing you to conclude that: rev: 02_22_2014_QC_45858

A. this nucleic acid is DNA. B. this nucleic acid is RNA. C. this nucleic acid could be either DNA or RNA.

Biology & Microbiology

A hemophiliac contains adequate numbers of platelets. Why does he therefore have trouble with clot

formation?

What will be an ideal response?

Biology & Microbiology

Which characteristic of water makes the existence of pH possible?

a. ionization b. polarity c. adhesion d. cohesion e. hydrophobicity

Biology & Microbiology

A(n) ________ is determined by the rates at which individuals are added to and subtracted from the population

Fill in the blank(s) with correct word

Biology & Microbiology