Answer:
Cloning is the mechanism by which one living organism takes genetic material and produces identical copies of it. Cells, organs, chromosomes and whole species have been cloned by geneticists.
<u>The scientist need to take of some of the issues before cloning of sheep are as following:</u>
- Conflict with long-standing religious and social values about human dignity, probably infringing the principles of equality, identity and autonomy of each person.
- Cloned embryos face the same difficulties as naturally occurring pregnancies, plus others that are unique to cloning, so embryonic condition should be maintained.
- Cloned embryos surviving pregnancy may be born with a number of birth defects and other health issues.
- However, cloned cells can lack the programming required to tell the genes when to turn on and off. The outcome could be disorganised cell growth or abnormal functioning of the cell, all of which may lead to death of an organism.
The following statements accurately reflect the beliefs on Earth's early history:
B. Scientists believe the early atmosphere lacked the oxygen necessary to support modern human life.
The following statements are incorrect:
A. Scientists believe that DNA may have existed before RNA - Scientists actually believe the opposite - RNA may have existed before DNA.
C. Scientists believe that microspheres nearly prevented the development of early life.
D. Scientists believe that oxygen was plentiful in the early atmosphere - again, scientists believed the opposite
Answer:
C, the specimen will appear fuzzy and have poor resolution
Explanation:
Immersion oil is used in a microscope to improve image quality. The oil has a high refractive index that allows light concentrate on the specimen (prevent light from away from the specimen).
Answer:
Metamorphic rock is marble type of rock
Answer: B
Explanation:
This is another approach used by physicians psychologist to classify and code or diagnosis.