ANSM 412 _Assignment_1_2021
Due date: 5 APRIL 2021
Instructions: Type the assignment using MS-Word and name the file
(Surname_studentNo_Ass1). Upload the assignment script on or before the due date to Dropbox
under your name folder. Please, don’t convert your assignment script to PDF file. Also, don’t
forget to write your name and student number on the cover page.
Question 1 [30]
Based on the pedigree structure shown below:
G
D
F
B
G
E
F
A G
D
F
C G
E
F
a) Construct numerator relationship matrix (tabular method) [10]
b) Calculate the inbreeding coefficient for individuals A, B and C, i.e. FA, FB and FC using
values from the tabular method. [6]
c) Calculate genetic relationship between individuals AC and AB; i.e. rAC and rAB using the
values from the tabular method. [4]
d) Calculate the inbreeding coefficient for individuals A, B and C; i.e. FA, FB, and FC using
the arrow method. [6]
e) Calculate the genetic relationship between individuals AC and AB; i.e. rAC and rAB using
the arrow method. [4]
NB: Note that the values calculated using the tabular and arrow methods must be equal.
1
Due date: 5 APRIL 2021
Instructions: Type the assignment using MS-Word and name the file
(Surname_studentNo_Ass1). Upload the assignment script on or before the due date to Dropbox
under your name folder. Please, don’t convert your assignment script to PDF file. Also, don’t
forget to write your name and student number on the cover page.
Question 1 [30]
Based on the pedigree structure shown below:
G
D
F
B
G
E
F
A G
D
F
C G
E
F
a) Construct numerator relationship matrix (tabular method) [10]
b) Calculate the inbreeding coefficient for individuals A, B and C, i.e. FA, FB and FC using
values from the tabular method. [6]
c) Calculate genetic relationship between individuals AC and AB; i.e. rAC and rAB using the
values from the tabular method. [4]
d) Calculate the inbreeding coefficient for individuals A, B and C; i.e. FA, FB, and FC using
the arrow method. [6]
e) Calculate the genetic relationship between individuals AC and AB; i.e. rAC and rAB using
the arrow method. [4]
NB: Note that the values calculated using the tabular and arrow methods must be equal.
1
