Fig. 2. a: A metaphase cell of KS88-17-6. Only the chromosomes of T. araraticum are indicated, and the
　　　1B chromosomes with telomeric deletion are arrowed; b: The A^t- and G-genome chromosomes of
　　　T. araraticum and modified B-genome chromosomes of T. aestivum, which were present in different
　　　hybrid families.