In human beings, the cell that results from the fusion of an egg cell and sperm cell is considered to be

When water freezes, it . contracts expands

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled

Acell in the human nervous system whose primary function is to form myelin and the blood-brain barrier, respond to injury, remove debris, and enhance learning and memory is called a(n) cell.