Implantation of zygote takes place in the:
Correct answer: A. 2nd week
- A. 2nd week
- B. 3rd week
- C. 7th week
- D. 5th week
Explanation
Implantation is the process of the blastocyst embedding into the endometrial lining of the uterus, which typically occurs in Week 2 of development. For implantation to occur, the blastocyst must completely hatch from the zona pellucida once the conceptus enters the uterine cavity
This question appeared on the ETEA MDCAT 2015 paper, which you can sit online with every answer explained.
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About Embryonic Development
Embryonic development begins after fertilization with cleavage and formation of the morula and blastula, followed by gastrulation and the establishment of germ layers. It includes organ formation, tissue differentiation and early growth, rather than the later increase in size associated with postnatal development.
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