The correct sequence of preembryonic structures is ________.

The correct sequence of preembryonic structures is ________.

The correct sequence of preembryonic structures is ________. 







A) zygote, blastocyst, morula
B) zygote, morula, blastocyst
C) blastocyst, morula, zygote
D) morula, zygote, blastocyst









Answer: B