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ID | Project | Category | View Status | Date Submitted | Last Update | ||||||||
0000837 | MEGA | Tree Explorer | public | 2018-07-02 00:14 | 2023-04-14 00:37 | ||||||||
Reporter | guest | ||||||||||||
Assigned To | gstecher | ||||||||||||
Priority | normal | Severity | minor | Reproducibility | have not tried | ||||||||
Status | assigned | Resolution | reopened | ||||||||||
Platform | PC | OS | Windows | ||||||||||
Product Version | MEGA 11 (Graphical Interface version) | ||||||||||||
Target Version | Fixed in Version | ||||||||||||
Summary | 0000837: Error in drawing an UPGMA tree | ||||||||||||
Description | Report bugs or other issues regarding the MEGA software In the Danish High School system, the use of sequence data in the national graduation test has been used for several years. One of the tests is a (constructed) sequence as shown in 'Steps To Reproduce'. The distance matrix for MEGA 7 and MEGA 10 is the same. Calculating the UPGMA tree by hand showing the length of the branches by number of differences the calculation and the length of the branches maches results produced in MEGA 7. In MEGA 10 the calculation connecting the two subtrees does not distribute the branch length on the two branches but all the difference on one of the branches and a length of 0 on the other branch. This must be an error in the MEGA 10 program calculating UPGMA. | ||||||||||||
Steps To Reproduce | Save the sequences as a fasta file. Load it into MEGA 7 and MEGA X. Analyze the data. Construct/test a UPGMA tree. Compare the differences. Fasta data: >Sibirisk_Tiger GCACCGTACCCCCCTCACTTTGTGGCACCTCTATATAATGCTACTAGGCTGCCG >Sydkinesisk_Tiger ACGCCGCACTCCCTCCGCTTTGTGGCATCTCTACATGATGCCATCAAGCCACTG >Indokinesisk_Tiger_1 GTACCGCACCCCCCTCGCTTTATAGCACTTCTATATAATGCTACTAGGCTGCTG >Indokinesisk_Tiger_2 GCGCCGCACCCCCCTCGCTTTGTGATATCTTTACGTAATGCTACTAGGCTGCCG >Sumatra_Tiger ACGCCGCACCCCCTTCGCTTTGCGGCGTCTCTACATAACGCCATTAGGTTGCTG >Bengalsk_Tiger GCGCCGGACCCCCCTTGCTCTGTGGCATCTCTACATAACGTCATTAGACTGCTG | ||||||||||||
Additional Information | A picture of the two trees is uploaded. | ||||||||||||
Tags | No tags attached. | ||||||||||||
Attach Tags | (Separate by ",") | ||||||||||||
First Name | Jesper | ||||||||||||
Last Name | Mebus | ||||||||||||
mebus@msn.com | |||||||||||||
Confirm Email | mebus@msn.com | ||||||||||||
Attached Files | Two trees.png (131,926 bytes) 2018-07-02 00:14 | ||||||||||||
Notes | |
(0000774) paul (reporter) 1969-12-31 17:33 |
Ask user to download MEGA#4025. Check if she/he is using Beta version. |
(0000778) paul (reporter) 1969-12-31 17:33 |
User start to use MEGA 4025. Not a bug. Close. |
(0004051) gstecher (administrator) 2018-07-23 10:38 |
fixed in 10.0.4 |
(0006166) guest (reporter) 2023-04-13 23:17 |
ggg |
(0006169) guest (reporter) 2023-04-14 00:37 |
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Issue History | |||
Date Modified | Username | Field | Change |
2018-07-02 00:14 | guest | New Issue | |
2018-07-02 00:14 | guest | File Added: Two trees.png | |
2018-07-23 10:38 | gstecher | Note Added: 0004051 | |
2018-07-23 10:38 | gstecher | Status | new => resolved |
2018-07-23 10:38 | gstecher | Resolution | open => fixed |
2018-07-23 10:38 | gstecher | Assigned To | => gstecher |
2023-04-13 23:17 | guest | Note Added: 0006166 | |
2023-04-13 23:17 | guest | Status | resolved => feedback |
2023-04-13 23:17 | guest | Resolution | fixed => reopened |
2023-04-14 00:37 | guest | Note Added: 0006169 | |
2023-04-14 00:37 | guest | Status | feedback => assigned |
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