Did Pangea or Gondwana form first?
What will be an ideal response?
Gondwana
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How can you establish that, in a newly described species of plant, a particular phenotype is due to a chloroplast rather than a nuclear gene?
What will be an ideal response?
The concept of "immune privilege" explains why the central nervous system has
A. a completely different set of immune responses. B. more MHC markers than other tissues. C. a reduced immune response compared to the rest of the body. D. a greater immune response than the rest of the body.
Polyploidy:a
may be the result of more than one sperm fertilizing an egg. b. is not lethal in humans. c. may be the result of the failure of a chromosome to separate during meiosis. d. can be due to nondisjunction for a chromosome. e. is the mechanism of dosage compensation.
________ reasoning involves gathering facts that lead toward a logical generalized statement or conclusion
Fill in the blank(s) with correct word