unfertilized embryo

基本解釋

While this is occurring an unfertilized egg cell is taken from a Blackface ewe with its DNA filled nucleus taken out leaving a nucleus free egg cell that will later produce an embryo (3).
（接著如果把它）放在一個細胞核已去除的黑麪母羊的的營養(yǎng)細胞中，它一會兒就會産生一個胚芽。
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Embryo was formed utonomously in the unfertilized ovules. Globular embryo, two polar nuclei and antipodal cell mass could be observed n the embryo sacduring 1 to 2 days before and after anthesis.
在開花前或開花後1～2天的胚囊中可發(fā)現(xiàn)球形胚、遊離的二個極核和反足細胞團。