51.   Wilmut said Thursday in a phone interview that he had not intended to clone an adult cell when he started the experiment, which originally dealt with fetal cells.

52.   Clones are made from a single adult cell joined with an egg cell whose genes have been removed.

53.   Colman became famous when his company created Dolly, the first mammal cloned from an adult cell.

54.   Clones are made from a single adult cell joined with an egg cell, the genes of which have been removed.

55.   French scientists say they have successfully cloned rabbits from adult cells for the first time.

56.   However, the technique theoretically could be use to make any type of adult cell, raising fears about cloning a human being.

57.   In cloning, genes from an adult cell are implanted into a human egg from which all the genetic material has been removed.

58.   Instead, it replaces the nuclei of the donated eggs with genetic material from adult cells, and then clones the results.

59.   It marked the first time that a genetically identical mammal had been created from an adult cell.

60.   It was the first time that a genetically identical mammal had been created from an adult cell.

a. + cell >>共 936
human 5.69%
terrorist 3.63%
immune 2.97%
new 2.79%
holding 2.26%
normal 2.16%
epithelial 2.06%
living 2.02%
cancerous 1.98%
embryonic 1.86%
adult 1.44%
adult + n. >>共 1009
life 8.19%
child 4.90%
education 2.59%
court 2.14%
male 2.01%
entertainment 1.56%
cell 1.54%
man 1.48%
son 1.43%
woman 1.35%
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