Besides the low efficiency of cloning - just 1.7 per cent of embryos came to term - another challenge to creating transgenic dogs is controlling where in the nuclear DNA a foreign gene lands.

除了低克隆率-只有1.7%的胚胎能存活到最后阶段-创造转基因狗还有一个挑战即如何控制外部基因在核d NA中的植入位置。

youdao

Cloning could massively improve the agricultural industry as the technique of nuclear transfer improves.

随着核转移技术的提高，克隆能大规模改善农业工业。

youdao

Scientists have been warring over the issue of cloning a human child by body cell nuclear transfer.

科学家们就通过人体细胞核转移去克隆人的问题争论不休。

youdao

If I understand the tetraploid complementation technique utilized in these experiments correctly, then, scientists would no longer need to generate embryos via somatic cell nuclear transfer (cloning).

FORBES: The Line Between Embryonic And Pluripotent Stem Cell Research Is Blurring

Even Dolly the sheep, who was produced by cloning via somatic nuclear cell transfer, benefited from a male imprinted genome.

ECONOMIST: A ��virgin birth�� in mice

The liver is Geron's first target in its plan to use cloning technologies, called nuclear transfer, to produce transplantable cells and organs from the patient's own body.

FORBES: Geron Gets Cloning Patents