Mostly because of adaption to other areas in the world
A plasmid is a type of double-stranded, circular, tiny DNA molecule that differs from a cell's chromosomal DNA.Both bacterial and certain eukaryotic cells naturally contain plasmids.Plasmids frequently carry genes that give bacteria genetic advantages like antibiotic resistance.
<h3>What do the little DNA loops in prokaryotic cells represent?</h3>
- Plasmids, which are tiny DNA molecules, can also be carried by prokaryotic cells.Small, circular DNA molecules called plasmids hold the cell's non-essential genes.
- In addition to chromosomal DNA, many prokaryotes also possess smaller, circular DNA molecules known as plasmids, which can provide genetic benefits in particular situations.
- Bacteria and certain other microscopic species contain plasmids, which are tiny circular DNA molecules.Physically distinct from chromosomal DNA, plasmids multiply on their own. Extrachromosomal plasmids are frequently tiny, circular DNA fragments with antibiotic resistance genes.
- It is possible for plasmids to replicate without the aid of prokaryotic chromosomal DNA and to spread to additional prokaryotes.
- Blue-green algae, bacteria, and mycoplasma are prokaryotes.Bacteria are the most prevalent and fastest-growing prokaryotes.They are single cells that are between 0.2 and 10 microns in size (about 10 times smaller than most plant and animal cells).
- Prokaryotic cells are characterized by the absence of membrane-bound organelles and a clearly identifiable nucleus.Prokaryotic cells are present in early unicellular organisms like bacteria and archaea.
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Answer:
Mutations must not occur to introduce new alleles to the population. No gene flow can occur to increase variability in the gene pool. A very large population size is required to ensure allele frequency is not changed through genetic drift. Mating must be random in the population.
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