Answer:
If there is a change in the gene, this can further create a new generation of organisms with this change. With certain changes, it enables organisms to survive in other conditions.
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A string of nucleotides that hold information is called a gene. :)
Answer:
C) parfocal.
Explanation:
A microscope can be defined as an optical device that is typically used to make an enlarged (magnified) image of a minute (small) object and as such reveals all the little information about the object that cannot be seen by the natural human eye.
A microscope is said to be parfocal if its lense is binocular and they can both be in focus.
Hence, if the objective lenses of a microscope can be changed without losing focus on the specimen, they are said to be parfocal.
