1.   A cloned embryo has two sets of DNA, too.

2.   But all the available embryos had a mother who was Italian, with brown hair and brown eyes.

3.   Canine embryos have a large amount of fat in their cells that, when frozen, crack and destroy the embryo.

4.   Embryonic stem cell opponents have seized on this, stating that embryos do not have to be destroyed to get the cells.

5.   Human embryos have a high imperfection rate and, just as in nature, a clinic must create eight or nine for each successful pregnancy.

6.   It concluded that the embryo does not have the same moral status as infants or children -- and that research on such embryos holds the potential for great benefit.

7.   Opponents believe that an embryo has equal status to a more developed fetus, and even early embryos should not be destroyed thoughtlessly.

8.   The embryos may have few stem cells, and the few that are present may have abnormal chromosomes.

9.   Two-week-old embryos have no consciousness and no sense of pain, the report said.

10.   A normal embryo would have to grow several hundred cells before it created stem cells.

n. + have >>共 1318
company 3.47%
government 1.92%
team 1.89%
people 1.78%
country 1.14%
state 0.96%
official 0.95%
man 0.88%
player 0.88%
woman 0.87%
embryo 0%
embryo + v. >>共 75
be 32.62%
grow 6.45%
develop 6.09%
have 5.02%
die 3.94%
survive 2.87%
implant 2.51%
divide 2.15%
become 2.15%
create 2.15%
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