Explanation:
Cell differentiation is how generic embryonic cells become specialized cells. This occurs through a process called gene expression. Gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a cell functions.
Hey there,
There are only 2 genders. This is easily proved by science, and it i biologically impossible to change your gender or sex!
:)
400 minutes under the right conditions