MadSci Network: Genetics
Query:

Re: Can clones look different from the nuclear donor?

Date: Sat Dec 15 21:01:45 2001
Posted By: Matthew Eveland, Undergraduate, molecular genetics,biology, pensacola junior college
Area of science: Genetics
ID: 1007961137.Ge
Message:

in preparation for answering this question i read both the article in 
discover and the press releases from the scientists who performed the 
experiments. Acording to their results the clones were identical, all of 
the mice were coffee-colored. this was confirmed in the third experiment 
they conducted. As for you question on whether or not there can be changes 
among dominant and recesive genes the answer is no for this method. In 
order for there to be a difference there would have to be foreign dna 
introduced into the embryos. In there experiments it was all the same, 
just from one parent. they tested this in an interesting way. they took 
oocytes from mice which are black in color, took out the nuclei, and put 
in the nuclei of a mouse that is coffee colored. since all of the 
offspring were coffee colored they determined that the offspring were 
actual clones of the original. which, if its a clone, there is no 
difference. Im including the link to the university of hawaii report 
printed in the journal nature.
 http://www2.hawaii.edu/~ur/News_Releases/NR_July98/cloning.html


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