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What Are the Odds?

Tree for Enter Target name here

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This is an example tree. Create a new tree by clicking here

You are viewing this tree in read-only mode. If you would like to make edits, please click Save and make a copy in your DNA Painter account first.

Hover over a person for options. Scroll to the right to see children.

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Please select a valid file
(only text files downloaded from this tool will work!)

Please browse for your tree data file (this is a text file; only a file downloaded from this tool will work!)

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This tree is being saved locally on your computer and will appear on this page unless you reset your browser. If you'd like to save it to your DNA Painter account, please sign in or register (free).

You can also download the data for this tree locally and load it back into the tool later (or send it to someone else so they can load it in).

To do this, click the button below.

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If you'd like to share a link to this tree you need to save it first.

Please click 'Save' and then 'Save tree' and try again.

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You can delete this tree. This action cannot be undone



Click to add notes

Hypotheses

After you've added matches and hypotheses to a tree, hypotheses will appear here.

Collated match data

About this tool

This tool has been built to help solve DNA puzzles (including unknown parentage cases) by undertaking the calculations described by Leah Larkin in her series Science the heck out of your DNA...

© DNA Painter 2018

Caveats

Due to the lack of statistical data available, this tool has limited applications to the following scenarios:

Credits

The underlying calculations that convert the compounded probabilities into the odds ratio used for the score were developed by Dr. Andrew Millard.

Valuable advice on the user interface and functionality was provided by Mike Mulligan. Many thanks also to the early beta testers from the GG&T group on Facebook.

The static tree layout is derived from an example by Peiwen Lu.