Question

Which is the correct sequence in development of human being?

• A. Fertilisation, zygote cleavage, morula, gastrula
• B. Fertilisation, zygote cleavage, morula, blastula gastrula
• C. Zygote, morula, blastula, cell differentiation
• D. Fertilisation, cleavage, gastrula, morula blastula

Answer 1

Answer: (B)

The correct sequence in development in, human being (man) is fertilisation. Fusion of gametes $\to$ zygotes cleavage, morula, blestula, gastrula.