There are many types of pox viruses that cause pox diseases in animals. Each type of virus
usually inſects only one animal species. A magazine has reported that a scientist has used
genetic engineering to modify the DNA of mousepox. The altered virus kills all the mice it
infects. The scientist says research on modifying viruses is necessary in order to control pests.
that damage human food. Crities of the research nay viruses could escape from laboratories
and infect other animals. They are also worried that a modified pox virus for one Kpecies
could infect other species, especially humans. Humans are infected with a pox virus called
smallpox. Smallpox kills most people it infects. While it is thoughthat this disease has been
eliminated from the general population, smallpox virus samples are kept in laboratories
around the world.
Question 1: Crities have expressed concern that the mouse pox virus could infect species
other than mice. Which one of the following reasons is the best explanation for this concer?
A) The genes of smallpox virus and the genes of modified mouse pox virus are identical.
B) A mutation in mouse pox DNA might allow the virus to infect other animals.
C) A mutation could make the mouse pox DNA identical to smallpox DNA.
D) The number of genes in mouse pox virus is the same as in other pox viruses.
IM
Question 2: A person who criticized the research was worried that the modified mouse pox
virus might escape from a laboratory. This virus could cause the extinction of some species of
mice.
Are the following outcomes likely if some species of mice become extinct?
Circle "Yes" or "No" in each case.
1) Some food chains could be affected. Yes No
O.SM
2) Domestic cats could die for lack of food. Yes No
O.SM
3) Plants whose seeds are eaten by mice could temporarily increase in number. Yes No
O.SM
Question 3: One company is trying to develop a virus that will make mice sterile (i.e..
unable to have babies). Such a virus could help control the number of mice. Suppose the
company is successful.
Should the following questions be answered by research before releasing the virus? Circle
"Yes" or "No" in each case.
1) What is the best method for spreading the virus? Yes No
OSM
2) How soon will mice develop immunity to the virus? Yes No
OSM
3) Will the virus affect other animal species? Yes No
OSM
Question 4. Why is research on modifying virus necessary.
Answers
Answer:
usually inſects only one animal species. A magazine has reported that a scientist has used
genetic engineering to modify the DNA of mousepox. The altered virus kills all the mice it
infects. The scientist says research on modifying viruses is necessary in order to control pests.
that damage human food. Crities of the research nay viruses could escape from laboratories
and infect other animals. They are also worried that a modified pox virus for one Kpecies
could infect other species, especially humans. Humans are infected with a pox virus called
smallpox. Smallpox kills most people it infects. While it is thoughthat this disease has been
eliminated from the general population, smallpox virus samples are kept in laboratories
around the world.
Question 1: Crities have expressed concern that the mouse pox virus could infect species
other than mice. Which one of the following reasons
Answer:
q 1 answer :-A mutation in mousepox DNA might allow the virus to infect other animals