Exact(6)
The final stage is to pass an electric current through the egg that fuses the walls of the cells and mimics the process of fertilisation.
He did the editing not in a one-cell mouse embryo – which is how most animal germ-line editing by Crispr has been done to date – but earlier, during the process of fertilisation, by injecting the Crispr components and the mouse sperm into the mouse egg at the same time.
The pronuclei, the nuclei during the process of fertilisation, contain the majority of the genetic material.
However, sex can carry additional costs arising from the production of gametes and the process of fertilisation.
1(1) of the Act, "embryo" is defined as "a live human embryo where fertilisation is complete", including "an egg in the process of fertilisation".
A dysfunctional environment within the oocyte, in the case of an aged oocyte for example, is very likely to impede the process of fertilisation [ 161].
Similar(2)
In the late 50s, composer and teacher Gunther Schuller noted this process of cross-fertilisation between genres: after playing horn alongside Davis and conducting Ellington, he identified a "third stream" – "a new genre, halfway between jazz and classical music" – where jazz became avant garde.
In addition, HA participates in the process of sperm capacitation [ 9], determines the proper course of fertilisation, and affects the growth potential of early embryos [ 10].
Related(1)
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com