QuestionSBA
QuestionChoice
During this time is cavitation and differentiation of the embryo to form an early blastocyst
10006524
d
Five days
QuestionChoice
Day six is when the hatching of the blastocyst occurs. This is where the late-stage blastocyst expands and hatches out of the zona pellucida, which is essential for implantation.
10006525
e
Six days
QuestionChoice
This is when compaction occurs, where the cells flatten and maximise intracellular contacts, forming tight junctions and polarisation of outer cells, which are needed for quick differentiation.
10006523
c
Four days
QuestionChoice
The process of implantation in the uterus occurs eight to nine days after fertilisation, or on the 21st day of the menstrual cycle.
10006521
a
Eight to nine days
QuestionChoice
This is when the initial cleavage of the zygote takes place, resulting in increased cell numbers for sufficient cell differentiation.
10006522
b
Two to three days
Concept
Chapter
2693
3963
Mechanisms of Fertilisation
Topic
175
Reproductive Physiology
13851
Typically, how many days after fertilisation does implantation of the blastocyst occur?
a