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Table 1 The Q Matrix form for the new Subfunctionalization + Dosage Model, given in equation set 10

From: Dosage balance acts as a time-dependent selective barrier to subfunctionalization

 

0

1

2

3

S

Y

0

\(- \frac{{1 - \left( {\frac{{f_{0} }}{{f_{1} }}} \right)}}{{1 - \left( {\frac{{f_{0} }}{{f_{1} }}} \right)^{{N_{e} }} }} \cdot N_{e} \cdot u_{b} \cdot l_{r} \cdot 2z\)  

\(- 2*\frac{{1 - \left( {\frac{{f_{0} }}{{f_{{\text{Y}}} }}} \right)}}{{1 - \left( {\frac{{f_{0} }}{{f_{{\text{Y}}} }}} \right)^{{N_{e} }} }} \cdot N_{e} \cdot u_{h} \cdot l_{c}\)  

\(\frac{{1 - \left( {\frac{{f_{0} }}{{f_{1} }}} \right)}}{{1 - \left( {\frac{{f_{0} }}{{f_{1} }}} \right)^{{N_{e} }} }} \cdot N_{e} \cdot u_{b} \cdot l_{r} \cdot 2z\)  

\(0\)

\(0\)

\(0\)

\(2* \frac{{1 - \left( {\frac{{f_{0} }}{{f_{{\text{Y}}} }}} \right)}}{{1 - \left( {\frac{{f_{0} }}{{f_{{\text{Y}}} }}} \right)^{{N_{e} }} }} \cdot {N}_{\mathrm{e}}\cdot {u}_{\mathrm{h}}\cdot {l}_{\mathrm{c}}\)  

1

\(0\)

\(- \frac{{1 - \left( {\frac{{f_{1} }}{{f_{2} }}} \right)}}{{1 - \left( {\frac{{f_{1} }}{{f_{2} }}} \right)^{{N_{e} }} }} \cdot N_{e} \cdot u_{b} \cdot l_{r} \cdot (z - 1)\)  

\(- \frac{{1 - \left( {\frac{{f_{1} }}{{f_{{\text{S}}} }}} \right)}}{{1 - \left( {\frac{{f_{1} }}{{f_{{\text{S}}} }}} \right)^{{N_{e} }} }} \cdot N_{e} \cdot u_{b} \cdot l_{r} \cdot (z - 1)\)  

\(- \frac{{1 - \left( {\frac{{f_{1} }}{{f_{{\text{Y}}} }}} \right)}}{{1 - \left( {\frac{{f_{1} }}{{f_{{\text{Y}}} }}} \right)^{{N_{e} }} }} \cdot N_{e} \cdot u_{h} \cdot l_{c}\)  

\(\frac{{1 - \left( {\frac{{f_{1} }}{{f_{{\text{2}}} }}} \right)}}{{1 - \left( {\frac{{f_{1} }}{{f_{{\text{2}}} }}} \right)^{{N_{e} }} }} \cdot {N}_{\mathrm{e}}\cdot {u}_{\mathrm{b}}\cdot {l}_{\mathrm{r}}\cdot (z-1)\)  

\(0\)

\(\frac{{1 - \left( {\frac{{f_{1} }}{{f_{{\text{S}}} }}} \right)}}{{1 - \left( {\frac{{f_{1} }}{{f_{{\text{S}}} }}} \right)^{{N_{e} }} }} \cdot {N}_{\mathrm{e}}\cdot {u}_{\mathrm{b}}\cdot {l}_{\mathrm{r}}\cdot (z-1)\)  

\(\frac{{1 - \left( {\frac{{f_{1} }}{{f_{{\text{Y}}} }}} \right)}}{{1 - \left( {\frac{{f_{1} }}{{f_{{\text{Y}}} }}} \right)^{{N_{e} }} }} \cdot {N}_{\mathrm{e}}\cdot {u}_{\mathrm{h}}\cdot {l}_{\mathrm{c}}\)  

2

\(0\)

\(0\)

\(- \frac{{1 - \left( {\frac{{f_{2} }}{{f_{{\text{3}}} }}} \right)}}{{1 - \left( {\frac{{f_{2} }}{{f_{{\text{3}}} }}} \right)^{{N_{e} }} }} \cdot {N}_{\mathrm{e}}\cdot {u}_{\mathrm{b}}\cdot {l}_{\mathrm{r}}\cdot \left(z-2\right)\)  

\(- \frac{{1 - \left( {\frac{{f_{2} }}{{f_{{\text{S}}} }}} \right)}}{{1 - \left( {\frac{{f_{2} }}{{f_{{\text{S}}} }}} \right)^{{N_{e} }} }} \cdot {N}_{\mathrm{e}}\cdot {u}_{\mathrm{b}}\cdot {l}_{\mathrm{r}}\cdot \left(z-2\right)\)  

\(- \frac{{1 - \left( {\frac{{f_{2} }}{{f_{{\text{Y}}} }}} \right)}}{{1 - \left( {\frac{{f_{2} }}{{f_{{\text{Y}}} }}} \right)^{{N_{e} }} }} \cdot {N}_{\mathrm{e}}\cdot {u}_{\mathrm{h}}\cdot {l}_{\mathrm{c}}\)  

\(\frac{{1 - \left( {\frac{{f_{2} }}{{f_{{\text{3}}} }}} \right)}}{{1 - \left( {\frac{{f_{2} }}{{f_{{\text{3}}} }}} \right)^{{N_{e} }} }} \cdot {N}_{\mathrm{e}}\cdot {u}_{\mathrm{b}}\cdot {l}_{\mathrm{r}}\cdot (z-2)\)  

\(\frac{{1 - \left( {\frac{{f_{2} }}{{f_{{\text{S}}} }}} \right)}}{{1 - \left( {\frac{{f_{2} }}{{f_{{\text{S}}} }}} \right)^{{N_{e} }} }} \cdot {N}_{\mathrm{e}}\cdot {u}_{\mathrm{b}}\cdot {l}_{\mathrm{r}}\cdot (z-2)\)  

\(\frac{{1 - \left( {\frac{{f_{2} }}{{f_{{\text{Y}}} }}} \right)}}{{1 - \left( {\frac{{f_{2} }}{{f_{{\text{Y}}} }}} \right)^{{N_{e} }} }} \cdot {N}_{\mathrm{e}}\cdot {u}_{\mathrm{h}}\cdot {l}_{\mathrm{c}}\)  

3

\(0\)

\(0\)

\(0\)

\(- \frac{{1 - \left( {\frac{{f_{3} }}{{f_{{\text{S}}} }}} \right)}}{{1 - \left( {\frac{{f_{3} }}{{f_{{\text{S}}} }}} \right)^{{N_{e} }} }} \cdot {N}_{\mathrm{e}}\cdot {u}_{\mathrm{b}}\cdot {l}_{\mathrm{r}}\cdot \left(z-3\right)\)  

\(- \frac{{1 - \left( {\frac{{f_{3} }}{{f_{{\text{Y}}} }}} \right)}}{{1 - \left( {\frac{{f_{3} }}{{f_{{\text{Y}}} }}} \right)^{{N_{e} }} }} \cdot {N}_{\mathrm{e}}\cdot {u}_{\mathrm{h}}\cdot {l}_{\mathrm{c}}\)  

\(- \frac{{1 - \left( {\frac{{f_{3} }}{{f_{{\text{Y}}} }}} \right)}}{{1 - \left( {\frac{{f_{3} }}{{f_{{\text{Y}}} }}} \right)^{{N_{e} }} }} \cdot {N}_{\mathrm{e}}\cdot {u}_{\mathrm{b}}\cdot {l}_{\mathrm{r}}\)  

\(\frac{{1 - \left( {\frac{{f_{3} }}{{f_{{\text{S}}} }}} \right)}}{{1 - \left( {\frac{{f_{3} }}{{f_{{\text{S}}} }}} \right)^{{N_{e} }} }} \cdot {N}_{\mathrm{e}}\cdot {u}_{\mathrm{b}}\cdot {l}_{\mathrm{r}}\cdot (z-3)\)  

\(\frac{{1 - \left( {\frac{{f_{3} }}{{f_{{\text{Y}}} }}} \right)}}{{1 - \left( {\frac{{f_{3} }}{{f_{{\text{Y}}} }}} \right)^{{N_{e} }} }} \cdot {N}_{\mathrm{e}}\cdot {u}_{\mathrm{h}}\cdot {l}_{\mathrm{c}}\)  

 + \(\frac{{1 - \left( {\frac{{f_{3} }}{{f_{{\text{Y}}} }}} \right)}}{{1 - \left( {\frac{{f_{3} }}{{f_{{\text{Y}}} }}} \right)^{{N_{e} }} }} \cdot {N}_{\mathrm{e}}\cdot {u}_{\mathrm{b}}\cdot {l}_{\mathrm{r}}\)  

S

\(0\)

\(0\)

\(0\)

\(0\)

\(0\)

\(0\)

Y

\(0\)

\(0\)

\(0\)

\(0\)

\(0\)

\(0\)

  1. Model parameters and variables are defined in Table 2. Equations to calculate the fitness parameter (f) can be found in Eq. 6