双生

Siblings and dizygotic twins share only 50% of their segregating genes.

同卵双生双胞和双卵双生双胞分享仅50%的基因。

The micrib belonging to bicollateral bundle is well developed.The bundle sheath is composed of idioblasts.

主脉发达，有异细胞组成的维管束鞘，具双生韧皮部。

Methods 82 pairs of female -female twins between 6-12 years old were collected.Twin zygosity diagnosis were made by DNA-fingerprinting.

方法收集6-12岁女性双生子82对，DNA纹图进行卵型诊断。

This British grass snake exhibits dicephalus, a condition related to conjoined twinning. It is caused during development by high incubation temperatures.

这条英国草蛇示一种与连体双生有关的疾病，双。这是在发育阶段由高温孵化造成的。

Geminiviruses are a group of plant viruses occurred worldwide and characterized by their unique twinned particles, which encapsidate a circular single-stranded DNA genome.

双生病毒是一类世界范围内广泛发生的具有孪生颗粒形态的植物单链DNA病毒,近年来已在多种作物上造成毁灭性危害,给作物生产造成了严重损失。