AP BIOLOGY

Detailed explanation-1: -The eggs of most animals are giant single cells, containing stockpiles of all the materials needed for initial development of the embryo through to the stage at which the new individual can begin feeding. Before the feeding stage, the giant cell cleaves into many smaller cells, but no net growth occurs.

Detailed explanation-2: -But, scientifically-speaking, the egg is a single cell laid down by the female; when fertilized by the single cell or nucleus of the male sperm, it remains a single cell but then has its full complement of chromosomes and genes.

Detailed explanation-3: -The egg of a hen is a cell. It divides repeatedly and differentiates into various tissues to develop into a chicken.

Detailed explanation-4: -Chicken egg is a main component of the human diet serving as a dietary source of protein, fat, and other nutrients. The chicken egg is made up of approximately two-thirds white and one-third yolk. The yolk contains lipids, vitamins, minerals, and carotenoid pigments.