Which of the following are elements of the DNA repair hypothesis?
a. Double-stranded mutations can be repaired in haploid organisms.
b. Homologous chromosomes serve equally well as templates for repair in both asexual and sexual organisms.
c. Functional alleles on one chromosome can mask the deleterious allele on its homologue.
d. A and B.
e. B and C.
E
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During digestion ____
a. carbohydrates are split into proteins b. proteins are broken down into fatty acids c. fatty acids are split into non-fatty acids d. carbohydrates, proteins, lipids, and nucleic acids are split into smaller chemical subunits e. carbohydrates, proteins, lipids, and nucleic acids are split into larger chemical subunits
The wild carrot sprigs that starlings add to their nests
function a. as a form of camouflage against predators. b. as a form of insulation. c. to repel parasites. d. to prevent other birds from using the nest. e. in ways that are currently unknown.
A "marker" in a genetic sense usually represents a site along a chromosome where a specific nucleotide sequence exists. What specific phrase is used when such markers are identified by restriction endonucleases and a particular set of DNA fragments is
generated? A) expression QTL B) RFLP C) restriction site D) QTL
A human somatic cell contains _____
Fill in the blank(s) with the appropriate word(s).