The mass number of an element is the sum of the protons and neutrons. The number of neutrons for a given element is the only number that can change and still have the identity of the element stay the same, (because the atomic number is the number of protons). In this case the mass number would be 11
I do not understand why this was deleted, but Reproduction by mitosis duplicates all of the above, because all of these are in the gene being duplicated, the chromosomes, the gene itself, and the DNA.
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Genotype because it means, the genetic makeup of an organism determined by it's alleles.
Answer:
all but option b is incorrect as in your list
A single piece of coiled DNA is called a plasmid.
