The process by which viruses can exchange genetic sequences to come up with a "new" virus such as H1N1 is:
A) reassortment. B) conjugation.
C) independent assortment. D) recombination.
Answer: A
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_______________ is a human hereditary disease that is caused by a dominant allele but does not show up in affected individuals until they are in middle age.
A. Cystic fibrosis B. Sickle cell anemia C. Tay-Sachs disease D. Huntington's disease E. Hemophilia
The deep sea is characterized by being a very unstable environment
Indicate whether the statement is true or false
Natural selection occurs when there is nonrandom elimination of genotypes from a population due to differences in viability or reproductive success
Indicate whether the statement is true or false
In a surgery of a few hours, the skeletal muscles are normally immobilized. Using the knowledge of this chapter, which of the following conditions would most likely result normally if countermeasures were not taken?
A) excessive redness of the skin B) fluid buildup in the tissues C) excessive sweating D) rapid breathing