The authors apologise for errors in the labelling of male and female pronuclei in Figures 1, 3, 4 and 5. The correctly labelled Figures are shown in the following pages.
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20200430180138723-0153:S0967199420000076:S0967199420000076_fig1.png?pub-status=live)
Figure 1
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20200430180138723-0153:S0967199420000076:S0967199420000076_fig3.png?pub-status=live)
Figure 3
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20200430180138723-0153:S0967199420000076:S0967199420000076_fig4.png?pub-status=live)
Figure 4
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20200430180138723-0153:S0967199420000076:S0967199420000076_fig5.png?pub-status=live)
Figure 5
Published online by Cambridge University Press: 20 March 2020
The authors apologise for errors in the labelling of male and female pronuclei in Figures 1, 3, 4 and 5. The correctly labelled Figures are shown in the following pages.
Figure 1
Figure 3
Figure 4
Figure 5
Figure 1
Figure 3
Figure 4
Figure 5