The individual with hare-lip shows which of the following condition?
Correct answer: A. Cleft palate
- A. Cleft palate
- B. Polydactyly
- C. Hard-palate
- D. Microcephaly
Explanation
A cleft palate is a congenital condition often associated with a hare lip, involving an opening or split in the upper lip and/or roof of the mouth. This occurs when the developing facial structures in an unborn baby do not completely fuse. The other options are unrelated: Polydactyly involves extra digits; the hard palate is a normal part of the mouth's structure; and microcephaly is a different developmental condition affecting head size.
This question appeared on the ETEA MDCAT 2006 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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