Sentences with phrase «zygotes occur»
«To put this into perspective, reprogramming to induced pluripotency in cell culture takes several days to weeks whereas reprogramming to totipotency in zygotes occurs in less than 24 h,» says Kikuë Tachibana - Konwalski, who devotes her laboratory's research to understanding the molecular secrets of egg cells and zygotes.
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Conception occurs two weeks after your menstruation and the fertilized egg that travels from the fallopian tubes to the uterus is called a zygote.
It benefits researchers, however, because Eggan's group found that the technique works on zygotes carrying an extra set of chromosomes, which can occur if two sperm fertilize an egg.
«Although polarization and asymmetric cell division of zygotes to form the body axis is a common phenomena found in algae, mosses, and flowering plants, the origin of cell polarity and how asymmetric cell division occurs have remained a mystery up to now,» says Dr. Minako Ueda, a lecturer at ITbM, Nagoya University and a leader of this research.
Before cell division occurs, the contents within the zygote become unevenly distributed (polarized).