PATHOLOGY MCQ
GENETICS AND DISEASE
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
To make a clone, scientists remove the ____ from a/an ____ cell and inject the DNA from another cell into it.
|
|
Nucleus, egg
|
|
|
DNA, Gap 0
|
|
|
DNA, Udder
|
|
|
plasmid, bacteria
|
Explanation:
Detailed explanation-1: -Cloning using somatic cell nuclear transfer (SCNT) [ 1]. This procedure starts with the removal of the chromosomes from an egg to create an enucleated egg. The chromosomes are replaced with a nucleus taken from a somatic (body) cell of the individual or embryo to be cloned.
Detailed explanation-2: -The egg cell has had its nucleus removed so that it will read and duplicate the DNA of the donor cell.
Detailed explanation-3: -To make Dolly, researchers isolated asomatic cell from an adult female sheep. Next they removed the nucleus and all of its DNA from an egg cell. Then theytransferred thenucleus from the somatic cell to the egg cell.
There is 1 question to complete.