In vitro development to Day 7 of zona free nuclear transfer transgenic and singly cultured control IVP embryos.

a Number and percentage of cleaved embryos developing to at least morula stages;b Number of Grade 1 or 2 blastocysts and as a percentage of those embryos having developed to at least morula stages;c Significance of difference between tg lines and IVP embryos as determined by Fisher's Exact test.d These embryos were grown concurrently.