Answer:
An expression vector assists in expressing the gene into an mRNA and then into a protein by the process of transcription and translation respectively. In order to develop an effective expression vector, it should possess various essential organism-specific sequences so that they can articulate the desired gene.
For the process of transcription, a promoter is required, in order to understand the expression of a specific gene a selectable marker is required. While in prokaryotes, an RBS or the ribosome binding sequence like a Shine Dalgarno sequence is needed on the mRNA copy to initiate the process of translation.
Thus, it can be concluded that the researcher has missed out on the ribosome binding sequence due to which translation has not taken place.
Epiblast and Hypoblast are common in the development of both birds and mammals.
Hypoblast is the second layer of the embryonic disc that creates the yolk sac, Epiblast is one of the two layers that creates the three basic germ layers (ectoderm, definitive endoderm, and mesoderm), amnionic ectoderm, and extraembryonic mesoderm.
The embryonic disc is made up of two parts: epiblast and hypoblast.
The epiblast and hypoblast are formed by layering the core cell mass. As a result, the inner cell mass gives rise to the epiblast and hypoblast.
Additionally, epiblast cells are topped by hypoblast cells.
Both layers are formed before implantation and gastrulation.
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Answer:
it reduces biodiversity because it reproduces rapidly
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