Define cancer at the genetic level
What will be an ideal response?
Cancer is a genetic disorder that can result from mutation of a given gene or genes, which may produce a defective gene product or a change in the timing or amount of gene expression. Such mutations alter cell-cycle control. Some cancers show familial distributions.
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In flowering plants an ovary is part of a(n) ____
calyx
a. corolla b. ovule c. calyx d. stamen e. carpel
Aneuploidy is the term for a condition in which cells have ________
a. too few complete sets of chromosomes b. too many or too few copies of a single chromosome c. three or more complete sets of chromosomes d. a translocation resulting in a deletion and a duplication
On an annual basis, the greatest flow of carbon between nonbiological reservoirs takes place between:
a. the atmosphere and Earth's rocks b. the ocean and Earth's rocks c. the ocean and the atmosphere d. plants and Earth's rocks e. aquatic organisms and the atmosphere
Interpret the pedigree in the accompanying figure by describing each symbol and number. How might the information from this pedigree be used by clinicians and researchers? What will be an ideal response?