Explain oncogenes or defective tumour suppressor genes, Biology

1.  Explain why a gain of function would be a dominant effect and a loss of function would be a recessive effect. Which types of genes are each associated with: oncogenes or defective tumour suppressor genes? Why?

2.  What negative role does the environment play in causing cancer? What positive effects can the environment have?

3. Identify four naturally occurring enzymes important to DNA technologies, and describe an example for each of their natural and technological uses.

 

Posted Date: 4/2/2013 3:19:17 AM | Location : United States







Related Discussions:- Explain oncogenes or defective tumour suppressor genes, Assignment Help, Ask Question on Explain oncogenes or defective tumour suppressor genes, Get Answer, Expert's Help, Explain oncogenes or defective tumour suppressor genes Discussions

Write discussion on Explain oncogenes or defective tumour suppressor genes
Your posts are moderated
Related Questions
Indications i) When there is an abnormal rise in the bilirubin level which may be due to physiological or pathological jaundice or any other problem. ii) Prophylactic ph

Osmoregulation in Freshwater Metazoans Freshwater and brackish water animals that are live in hypoosmotic(of lower osmotic pressure) environment and keep a hyperosmotic (of h

Explain the Phylum Molluska - Mollusks? You are probably very familiar with members of this phylum. The mollusks include the octopuses, squids, cuttlefish, scallops, oysters, c

Synthesis and Storage of Hormone The synthesis and storage of hormone depends on the nature of the hormone. Steroid hormones are secreted in diffuse molecular form and usually

Phases of Water The state of water can be changed from gaseous to liquid and liquid to solid and vice versa by the addition or removal of heat energy. To convert one gram of li

What do you understand by the terms retrogradation and gelatinization? The realignment of the amylose and amylopectin and swollen starch granules to form a pocket is termed

If porifers shiw cell aggregate plan tgen how can they also shiw division of labour among cells

Identify three ways that bacteria can be transmitted from person to person. Diseases affecting nerves contain botulism and tetanus; diseases affecting the intestine include sa

name the blood vessel which bring waste product to kidney

why manures are better than fertilizers