| Collection | GB 0231 University of Aberdeen, Special Collections |
| Level | Item |
| Ref No | UNIVERSITY 1437/2/4/28 |
| Title | Slide showing a five-part diagram of 'the pachytene relationships of the sex heterozygote the development of the differential segments of X and Y leading to the disappearance of Y'. |
| Date | Late 19th to early 20th century |
| Extent | 1 slide |
| Description | Slide shows a five-part diagram of 'the pachytene relationships of the sex heterozygote the development of the differential segments of X and Y leading to the disappearance of Y'.
Diagram parts are labelled 1 to 4, which have the title 'pachytene' and the fifth part is labelled 'metaphase'. This part is further labelled A2, B2, B3, C2, and C3.
Title below diagram reads: 'Fig 115 - Diagram showing by the pachytene relationships of the sex heterozygote the development of the differential segments of X and Y leading to the disappearance of Y (4). The metaphase associations of certain types are given and depend on the position of the differential segments (black and white) in relation to the centromere'. |
| Access Status | Open |
| Access Conditions | The records are available subject to the signed acceptance of the Department's access conditions. |
| Physical Description | Glue residue between panes and on back. |