Even animal clones that look healthy may have genetic abnormalities or be predisposed to a decreased life span because the cells used in the cloning process acquire DNA damage as they age.

• 即使看起来很健康的克隆生物也会携带畸形病变的基因，而且他们的寿命通常会比正常生物的要短，因为克隆过程中的细胞随着年龄的增长，DNA会逐渐遭到破坏。