Statement-$I$: The trophoblast layer gets attached to the endometrium and the inner cell mass gets differentiated as the embryo.
Statement-$II$: The morula becomes embedded in the endometrium of the uterus.

• A
  Both statement $I$ and statement $II$ are correct
• B
  Statement $I$ is correct but statement $II$ is incorrect
• C
  Statement $I$ is incorrect but statement $II$ is correct
• D
  Both statement $I$ and statement $II$ are incorrect