Assume complete ascertainment across the exercise

Q1

The folowing data were collected on some disease. 
What do you think is the model of disease transmission? 
How can you test it? (use both Normal approximation and 
exact test). Assume complete ascertainment.

ped	id	fa	mo	sex	prob	trait
1	1	0	0	1	2	2
1	2	0	0	2	2	1
1	3	1	2	1	2	1
1	4	1	2	2	1	2
2	1	0	0	1	2	2
2	2	0	0	2	2	1
2	3	1	2	2	1	2
2	4	1	2	1	2	1
3	1	0	0	1	2	2
3	2	0	0	2	2	1
3	3	1	2	2	2	1
3	4	1	2	1	2	1
3	5	1	2	2	1	2
3	6	1	2	2	2	1
3	7	1	2	2	2	1
3	8	1	2	2	2	1
3	9	1	2	2	2	1
4	1	0	0	1	2	2
4	2	0	0	2	2	1
4	3	1	2	1	1	2
4	4	1	2	2	2	2
4	5	1	2	1	2	1
5	1	0	0	1	2	2
5	2	0	0	2	2	1
5	3	1	2	2	2	1
5	4	1	2	1	2	1
5	5	1	2	1	1	2
5	6	1	2	2	2	2
6	1	0	0	1	2	2
6	2	0	0	2	2	1
6	3	1	2	1	2	1
6	4	1	2	1	2	2
6	5	1	2	1	2	1
6	6	1	2	1	2	2
6	7	1	2	2	1	2
7	1	0	0	1	2	2
7	2	0	0	2	2	1
7	3	1	2	1	1	2
7	4	1	2	2	2	1
7	5	1	2	1	2	1
8	1	0	0	1	2	2
8	2	0	0	2	2	1
8	3	1	2	1	2	1
8	4	1	2	2	1	2
8	5	1	2	1	2	1
8	6	1	2	2	2	1
8	7	1	2	2	2	2
9	1	0	0	1	2	2
9	2	0	0	2	2	1
9	3	1	2	2	2	1
9	4	1	2	2	2	2
9	5	1	2	1	2	1
9	6	1	2	1	1	2
9	7	1	2	2	2	1
9	8	1	2	2	2	2
10	1	0	0	1	2	2
10	2	0	0	2	2	1
10	3	1	2	1	1	2
10	4	1	2	1	2	2
10	5	1	2	1	2	2
10	6	1	2	1	2	1
10	7	1	2	1	2	1
10	8	1	2	2	2	1
11	1	0	0	1	2	2
11	2	0	0	2	2	1
11	3	1	2	2	1	2
11	4	1	2	1	2	1
11	5	1	2	1	2	2
11	6	1	2	1	2	1
11	7	1	2	1	2	1
12	1	0	0	1	2	2
12	2	0	0	2	2	1
12	3	1	2	2	2	1
12	4	1	2	1	1	2
12	5	1	2	1	2	1
12	6	1	2	2	2	1

Q2

The folowing data were collected on some disease. What do you think 
is the model of disease transmission? How can you test it? 
(use Normal approximation). Assume complete ascertainment.

ped	id	fa	mo	sex	prob	trait
1	1	0	0	1	2	1
1	2	0	0	2	2	1
1	3	1	2	1	2	1
1	4	1	2	2	2	1
1	5	1	2	1	2	1
1	6	1	2	1	2	1
1	7	1	2	2	2	1
1	8	1	2	1	2	1
1	9	1	2	1	1	2
1	10	1	2	1	2	1
2	1	0	0	1	2	1
2	2	0	0	2	2	1
2	3	1	2	1	2	1
2	4	1	2	2	1	2
2	5	1	2	1	2	2
3	1	0	0	1	2	1
3	2	0	0	2	2	1
3	3	1	2	1	2	1
3	4	1	2	2	1	2
3	5	1	2	1	2	1
4	1	0	0	1	2	1
4	2	0	0	2	2	1
4	3	1	2	1	1	2
4	4	1	2	2	2	2
5	1	0	0	1	2	1
5	2	0	0	2	2	1
5	3	1	2	2	2	2
5	4	1	2	1	1	2
6	1	0	0	1	2	1
6	2	0	0	2	2	1
6	3	1	2	1	1	2
6	4	1	2	1	2	1
6	5	1	2	2	2	1
6	6	1	2	2	2	2
7	1	0	0	1	2	1
7	2	0	0	2	2	1
7	3	1	2	1	2	1
7	4	1	2	1	2	1
7	5	1	2	1	2	1
7	6	1	2	2	2	1
7	7	1	2	1	1	2
8	1	0	0	1	2	1
8	2	0	0	2	2	1
8	3	1	2	1	2	1
8	4	1	2	1	1	2
9	1	0	0	1	2	1
9	2	0	0	2	2	1
9	3	1	2	2	2	1
9	4	1	2	1	2	1
9	5	1	2	2	2	1
9	6	1	2	2	2	1
9	7	1	2	1	1	2
9	8	1	2	2	2	1
9	9	1	2	2	2	1
10	1	0	0	1	2	1
10	2	0	0	2	2	1
10	3	1	2	2	2	1
10	4	1	2	1	2	1
10	5	1	2	1	2	1
10	6	1	2	1	1	2
10	7	1	2	2	2	1
11	1	0	0	1	2	1
11	2	0	0	2	2	1
11	3	1	2	1	2	1
11	4	1	2	1	2	1
11	5	1	2	1	2	1
11	6	1	2	2	1	2
12	1	0	0	1	2	1
12	2	0	0	2	2	1
12	3	1	2	2	1	2
12	4	1	2	1	2	1
12	5	1	2	2	2	1
13	1	0	0	1	2	1
13	2	0	0	2	2	1
13	3	1	2	1	2	1
13	4	1	2	1	2	1
13	5	1	2	2	1	2
14	1	0	0	1	2	1
14	2	0	0	2	2	1
14	3	1	2	2	1	2
14	4	1	2	2	2	1
14	5	1	2	2	2	1
14	6	1	2	2	2	2
14	7	1	2	2	2	1
14	8	1	2	1	2	1
15	1	0	0	1	2	1
15	2	0	0	2	2	1
15	3	1	2	2	2	2
15	4	1	2	1	2	1
15	5	1	2	1	2	1
15	6	1	2	1	2	1
15	7	1	2	1	1	2
15	8	1	2	2	2	2
15	9	1	2	1	2	2

If single acertainment is assumed, how that woud change the results?