In eukaryotic cells, where is dna located?
a. cellular dna is spread evenly throughout the cell.
b. the majority of cellular dna is located in the nucleus, with some dna located in the mitochondria.
c. all cellular dna is located in the nucleus.
d. the majority of cellular dna is located in the nucleus, with some dna located in the cytoplasm for gene expression.

The correct answer will be option B.

Explanation:

DNA is a large molecule made of nucleotide units which acts as a genetic material of the organisms. This DNA is passed from parents to the offspring during cell division.

This genetic material is present in a highly specialized organelle called nucleus in eukaryotes, a characteristic feature of eukaryotic cells. This nucleus provides protection of the genetic material from the external environment and by the attack of external bodies.

The length of the DNA molecule is much longer than the diameter of the nucleus, so each DNA molecule is organised into a tightly packed structure called chromosomes formed by wrapping of DNA around histone protein  and condensation of this complex.

The organelles like mitochondria formed by the endosymbiosis of bacteria also possess their own genetic material or DNA due to their origin from bacteria.

Thus,option B-The majority of cellular DNA is located in the nucleus, with some DNA located in the mitochondria is the correct answer.

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