Sagot :
Answer:
Morula
Explanation:
Morula formation occurs about six days after fertilization. During that time, the cells are moving through the fallopian tube. Within the next two days, a hollow ball of cells called a blastocyst forms.
Answer:
Morula
Explanation:
Morula formation occurs about six days after fertilization. During that time, the cells are moving through the fallopian tube. Within the next two days, a hollow ball of cells called a blastocyst forms.