Question

Read the following and answer from given below:

Cleavage is the series of rapid mitotic divisions in the zygote and forms blastula. The 2, 4, 8, 16 daughter cells are called blastomeres. An embryo with 64 blastomeres is known as a blastocyst and has a blastocoel cavity. Blastocyst gets implanted in the uterine wall and leads to pregnancy.

The correct sequence of various structures formed during embryonic development is ______

Options

• Morula → Embryo → Gastrula → Blastula

• Zygote → Embryo → Morula → Blastula

• Blastula → Morula → Gastrula → Embryo

• Zygote → Morula → Blastula → Gastrula

Answer 1

The correct sequence of various structures formed during embryonic development is Zygote → Morula → Blastula → Gastrula.