4.
Lg
2
d
1
= lg
2
d
1
lg
2
D
1
D
1
lg
2
)
162
d
1
Lg
2
)
D
1
Lg
2
)
96
d
1
lg
2
)
Total 258
Crossing-over
lg
2
- d
1
= 37.2%