Sentences with phrase «shortly after fertilisation»

In the earliest moments of a mammal's life, the developing ball of cells formed shortly after fertilisation «does as mother says» — it follows a course that has been pre-programmed in the egg by the mother.

Another staining technique called comparative genome hybridisation (CGH), which labels all chromosomes, has previously been used to analyse abnormalities in the polar body — a chromosome - containing sac expelled from the egg shortly after fertilisation.