+------+----+-------------------------------+-----------------------+ | | | Tailless cock × heterozygotes.| Offspring. | | | +---------------+---------------+-----------------------+ |Serial| Pen| Father. | Mother. |Condition of uropygium.| | No. | No.+-----+---------+-----+---------+--------+------+-------+ | | | No. | From | No. | From |Present.|Small.|Absent.| | | | | pen No. | | pen No. | | | | +------+----+-----+---------+-----+---------+--------+------+-------+ | 5 | 653| 117 |Original.| 577 | 532 | 6 | 1 | 0 | | 6 | 653| 117 | Do. | 587 | 532 | 8 | 2 | 0 | | 7 | 653| 117 | Do. | 635 | 532 | 7 | 0 | 0 | | 8 | 653| 117 | Do. | 691 | 532 | 5 | 2 | 0 | | 9 | 653| 117 | Do. | 652 | 532 | 15 | 0 | 0 | | 10 | 653| 117 | Do. | 691 | 532 | 5 | 2 | 0 | | 11 | 653| 117 | Do. | 705 | 532 | 9 | 2 | 0 | | 12 | 653| 117 | Do. | 713 | 532 | 7 | 2 | 0 | | 13 | 653| 117 | Do. | 760 | 532 | 13 | 2 | 0 | | 14 | 653| 117 | Do. | 799 | 532 | 7 | 0 | 0 | | | | +--------+------+-------+ | | | Total | 82 | 13 | 0 | +------+----+-------------------------------+--------+------+-------+ TABLE 28.--_Heterozygotes mated inter se._