Sentences with phrase «of a fertilized egg turns»

Not exact matches

Somehow, scientists know, the genes that control development — generally turned off in adult cells — get turned back on again by the oocyte, enabling the cell to take on the youthful potential of a newly fertilized egg.

In the realm of pure research, we are steadily gaining a better understanding of how galaxies form; how a single fertilized egg turns into a fruit fly or a congressman; how synaptic growth supports long - term memory.

Animal breeders have sometimes seen such large sperm from livestock, but those turned out to have twice the number of chromosomes they were supposed to and were likely unable to fertilize eggs.

If the cells can be fertilized and develop into viable embryos, and if human ES cells turn out to have similar powers, such cells could allow researchers to get around some of the expense and ethical questions that arise from using donated eggs for therapeutic cloning experiments.

The original is a fertilized egg, and it has long grown and turned into 100 trillion cells of an adult human, each of which has its own unique set of mutations.