Saturday, 30 June 2018


Some ratios
s.no
name
Ratio
Test cross
ratio
1
simple
9:3:3:1
1:1:1:1
2
Recessive /supplementory
9:3:4
1:1:2
3
Dominant epistasis/masking
12:3:1
2:1:1
4
inhibitory
13:3
3:1
5
Duplicate recessive/ complementory
9:7
1:3
6
Duplicate dominance
15:1
3:1
7
Polymeric/additive
9:6:1
1:2:1
8
Polygenec inheritance
1:4:6:4:1(15:1)

9
linkage Coupling phase
7:1:1:7

10
linkage Repulsion phase
1:7:7:1



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