1 When deep sea animals look up toward the oceanâs surface, they see other animals overhead as dark shapes against a lighter background. 2  But by lighting two rows of photophores on its underside, this deep sea fish avoids casting its shadow on predators belowââand can virtually disappear.
The genetic material is contained in chromosomes which are within the nucleus of the cell. Yes. The genetic material is contained in chromosomes which are within the nucleus of the cell.
Definition. noun. The genetic material of a cell or an organism refers to those materials found in the nucleus, mitochondria and cytoplasm, which play a fundamental role in determining the structure and nature of cell substances, and capable of self-propagating and variation.