fraternal twins
Post on 09-Apr-2016
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fraternal twins
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Fraternal = 2 ovum implanted on the uterus wall at the same time but are fertilized by two different sperm cells. They have a rare possibility to develop the same chromosomal profile.
Identical twins = 1 ovum and sperm that is fertilized and separates into two new cells during embryo formation
Why do dead bodies float on water = because the decomposing action of cells initiate gas formation
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