The limbs of the organisms are similar because they are formed in similar ways during embryonic development and share similar arrangements.
What?? what are you trying to say please be more specific
The fertilized egg begins a rapid descent to the uterus. The period of rest in the tube appears to be necessary for full development of the fertilized egg and for the uterus to prepare to receive theegg. ... At the end of this transition period, the embryo becomes a mass of very organized cells, called a blastocyst.
DNA to RNA: ACCUUCAGCUCCA
