Sentences with phrase «destroys egg cells»
Now researchers report how a chemical in cigarette smoke destroys egg cells.
http://www.sciencemag.org/ Not exact matches
Unlike the controversial method of tissue harvesting that requires some human embryos to be destroyed, the new cloning technique can use a patient's own skin cells — combined with an unfertilized human egg — to create tissue with a DNA match.
Philippa Taylor explained why she thought it was an encouraging discovery: «There could be real benefits for some people, particularly young girls or people who are going through cancer treatment or chemotherapy and that destroys any chance of having their own eggs and growing eggs cells so if you can remove ovarian tissue, grow some egg cells outside the womb and implant them after the treatment then that could be very positive.»
During that process, chromosomes pairs get drawn apart and duplicated, but only one of the four resulting chromosomes will make it into the egg cell; the others are destroyed.
«But if we make a mother centriole stay in the cell, it doesn't get destroyed, so the fertilised egg ends up with a tripolar spindle and can't divide.»
In gymnosperms, wind deposits a pollen grain on an exposed egg cell, and then the pollen tube — growing at the slow rate of 20 micrometers an hour — releases an enzyme that destroys any tissue blocking the sperm's entrance into the egg cell.
All the potential of embryonic stem cells might be harnessed with the new techniques — without the political and moral controversy associated with destroying a fertilized egg.
He transplanted the nucleus from a specialized cell of one frog (B) into an unfertilized egg of another frog (A) in which the nucleus had been destroyed by ultraviolet light.
Instead, they rely on transplanting the genetic information from a specialized cell into an unfertilized egg cell whose genetic information has been destroyed or physically removed.
The team that generated the insulin - producing embryonic stem cell line, e.g., had a success rate of under six percent, using 71 eggs to produce four stem cell lines from the embryos they created and destroyed.