- Obama shortens sentence of inmate from Cape (1/19/17)9
- Two subjects of interest in 1992 homicide to take polygraph tests (1/15/17)8
- Business notebook: Jackson salon owner also opens a clothing store (1/16/17)
- Area hospitals hope a box helps prevent infant deaths (1/19/17)6
- Cape SportsPlex contractor offers a look at the project (1/15/17)14
- Meat-processing plant faces $70K penalty for Clean Water Act violations (1/17/17)4
- Southeast to lose $3.5 million from state in budget cuts (1/18/17)21
- Local students to perform with choir at inauguration (1/19/17)3
- Subjects of interest in 1992 killing take polygraph tests; results not revealed (1/18/17)2
- Governor cuts $146 million, colleges take hit (1/17/17)
Single gene may stymie many cloning efforts
Scientists say they've identified a single gene that could explain most failures to clone mammals.
Cloning involves taking DNA from a cell of an adult animal and putting it into an unfertilized egg. So the DNA must switch gears, telling the egg how to divide and grow into a new individual. The switchover requires shutting some genes off and turning others on.
The problem with the gene, called "Oct4," doesn't explain every failure, but it could account for about 90 percent, said researcher Hans Schoeler of the University of Pennsylvania's veterinary school in Kennet Square, Pa.