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Issue:

Science

 

Written by:

Melissa K

 

Date added:

April 5, 2015

 

Level:

University

 

Grade:

A

 

No of pages / words:

2 / 453

 

Was viewed:

2658 times

 

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Essay content:

When an embryo is created from the union of a sperm and an egg, the embryo receives copies of most genes from both parents. A process called "imprinting" chemically marks the DNA from the mother and father so that only one copy of a gene (either the maternal or paternal gene) is turned on. Defects in the genetic imprint of DNA from a single donor cell may lead to some of the developmental abnormalities of cloned embryos...
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A process called "imprinting" chemically marks the DNA from the mother and father so that only one copy of a gene (either the maternal or paternal gene) is turned on. Defects in the genetic imprint of DNA from a single donor cell may lead to some of the developmental abnormalities of cloned embryos. Woo SukA Hwang, a native South Korean, achieved a scientific landmark: the first scientist to achieve therapeutic cloning of a human embryo in 2004...
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