Match the following and choose the correct options

Options

A. A-ii, B-i, C-iii, D-iv
B. A-iii, B-iv, C-ii, D-i
C. A-iii, B-i, C-ii, D-iv
D. A-ii, B-iv, C-iii, D-i

Answer

D

Explanation

A. Trophoblast is the peripheral cells of the blastocyst, which attach the zygote (fertilised ovum) to the uterine wall and become the placenta and the membranes that nourish and protect the developing organism. B. Cleavage is the repeated mitotic division of cells in the early embryo. C. Inner cell mass forms within the blastocyst, prior to its implantation within the uterus. It differentiates to form embryo. D. Implantation is a process of attachment and invasion of the uterus endometrium by the blastocyst conceptus).