School
University of WaterlooDepartment
BiologyCourse Code
BIOL239Professor
Christine DupontStudy Guide
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1
Reminder
Online Tutorial 4 and its associated
quiz will be available Monday Feb 7 and
must be completed by midnight Feb 21
to receive credit.
-you can do the tutorial activity as many times
as you like, but the quiz can only be accessed
once and there is a time limit of 30 min.
Only pages 1-3 are available for preview. Some parts have been intentionally blurred.
2
Map distances
Chapter 5 con’t
pp 129 - 135
BIOL 139
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3
Two-point crosses
Comparisons between different two-point
crosses can help to establish relative gene
positions
A.H. Sturtevant : was able to determine an
order for the genes he investigated on the
Drosophila X chromosome, using this
approach
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