"nucleus" in inglés with examples - Collocation dictionary inglés
- In practice a few frogs have been produced by killing the egg nucleus by ultraviolet irradiation, and replacing it with the nucleus from a cell of the gut of a tadpole.
- Quite the contrary, all the evidence from experiments with mice, which have been intensively studied, shows that it is not even possible for the nucleus of a very early embryonic mouse cell to substitute for the egg nucleus.
- If such cells develop as they do because they contain only some of the genes - for example, just the genes for being a gut cell - then a nucleus from such a cell could not substitute for an egg nucleus.
- It is not clear whether fertilization of the egg nucleus takes place while the fruit is still on the tree or months after it has fallen.
- They also want to develop embryonic stem cells by nuclear transfer, the replacement of an egg nucleus with one from an adult cell.
- The cell in which the egg nucleus develops and is fertilized (the carpogonium) elongates, divides and a curved row of 5 or 6 cells is formed.
- So far, Dr. Grifo has shown that he can move egg nuclei around, which is, in essence what is required for cloning.
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