Like embryonic germ cells, which are cells that develop early in the formation of the fetus and that later generate eggs or sperm,embryonic stem cells have the ability of developing themselves into different kinds of body tissue .
(A) embryonic stem cells have the ability of developing themselves into different kinds of body tissue
- of developing is not parallel to that develop
- ability of developing is unidiomatic - should be ability + infinitive verb, in this case, ability to develop
(B)
...
(A) embryonic stem cells have the ability of developing themselves into different kinds of body tissue
- of developing is not parallel to that develop
- ability of developing is unidiomatic - should be ability + infinitive verb, in this case, ability to develop
(B)
...




