Entire genes may be deleted, inverted, replicated, or even translocated to another chromosome. Explain how each one could potentially result in cancer
What will be an ideal response?
A deletion of a tumor suppressor gene may result in out-of-control growth. An inverted gene would not be functional if it were a tumor suppressor gene because out-of-control growth may occur. A replicated oncogene might result in overproduction of growth factors, causing cells to reproduce too fast. A translocated tumor suppressor gene may lack the transcription factor binding sites or the promoter site required to initiate translation.
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The process whereby toxins are actively taken up by an organism is called:
a. additive affect. b. bioaccumulation. c. trophic dynamics. d. predator-prey relationships. e. adsorption onto seston.
Why are modern Africans more genetically diverse than people of other regions?
What will be an ideal response?
The process by which a sperm cell combines with an egg cell is
A. fertilization. B. germination. C. mitosis. D. replication. E. recombination.
Which model would predict that populations diverge from one another through the slow accumulation
of adaptive changes within each population? a. punctuated equilibrium b. paedomorphosis c. hybridization d. gradualism e. allopolyploidy