MCAT Question A Day - 5/26/13
Which of the following sequences is in the correct developmental order?
A. Fertilization, zygote, blastula, morula, gastrula
B. Zygote, fertilization, morula, blastula, gastrula
C. Fertilization, zygote, morula, blastula, gastrula
D. Zygote, fertilization, blastula, morula, gastrula
