A pair of genes was recessiveness homozygote, it was probably to be ill.

只要有一对基因隐性纯合时，即可患病。

youdao

Graham Moore of the John Innes Centre in Norwich is targeting part of a chromosome called Ph1 which ensures wheat genes pair up correctly.

坐落于诺里奇的约翰英纳斯中心的摩尔，正针对研究一组名为Ph 1染色体，该染色体的作用是确保小麦基因配对正确。

youdao

Cloning technology avoids this problem by permitting each member of the pair to bear a child whose genes are provided by her partner.

克隆技术允许两人互相提供基因使她们都怀上孩子以此避免上述问题的产生。

youdao

During the production of eggs and sperm, chromosomes pair up, cross over and swap segments of DNA, mixing the genes you inherited from your mother and father (see diagram).

FORBES: The Human Genome at Ten