Which repair mechanism often leads to deletions in chromosomes?
A. Recombinational repair
B. Direct repair
C. Base excision repair
D. Mismatch repair
E. Nucleotide excision repair
F. Nonhomologous end joining (NHEJ)
F
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The process that discriminates between phenotypes with respect to their ability to produce offspring is known as
(a) natural selection. (b) gene flow. (c) genetic drift. (d) migration.
A diploid is what?
What will be an ideal response?
The BRCA1 gene has a dN/dS of 2.76 because the cancer it causes only affects the carrier later in life.
a. true b. false
Which of the following is able to identify the pathogen responsible for intestinal symptoms?
A) upper GI endoscopy and colonoscopy B) selective and differential culture media C) microscopic examination of stool samples D) selective and differential culture media, molecular techniques, and microscopic examination of stool samples E) molecular techniques