Stobart's Week 6 Experiment Answer Sheet.doc - WEEK 6...

WEEK 6 EXPERIMENT ANSWER SHEET
Please submit to the Week 6 Experiment dropbox no later than Sunday midnight.
SUMMARY OF ACTIVITIES FOR WEEK 6 EXPERIMENT ASSIGNMENT
 Experiment 6 Exercise 1 – Monhybrid Crosses
 Experiment 6 Exercise 2 – Dihybrid Cross
 Experiment 6 Exercise 3 – Inheritance of Human Traits
Experiment 6 Exercise 1: Monohybrid Crosses
You will be conducting monohybrid crosses using fruit flies. Open in the following website:
Fly Lab JS. No date.
Procedure
A. Select a trait to modify from the left side of the page. For the monohybrid crosses, you will
only change one trait at a time.
B. Select a trait foon the male and then click “Select for Mating”. Repeat for the female.
C. You are now ready to mate the flies by selecting “Mate” from the menu near the top of the
screen.
D. You will now analyze your results by clicking on “Analyze”. Click on the box “Ignore Sex of
Flies”
E. Record the data in the table below.
F. Repeat five times to complete the table.
Table 1. Results of crosses.
Parent Phenotypes Offspring Phenotype
Parent 1 Parent 2 # %
Wild
Type
(WT)
Forked
Bristles
1001 WT 100% WT
0 1 971 1.0000
0 1 947 1.0000
0 1 957 1.0000
0 1 982 1.0000
0 1 993 1.0000
Questions
Updated October 2013