First there is Sexual Intercourse, then if the sperm fertilises the egg, then an embryo is formed
To figure the length<span> of one </span>cell<span>, divide the number of </span>cells<span> that cross the diameter of the field of view into the diameter of the field of view. For example the diameter of the field is 5 mm and you </span>estimate<span> that 50 </span>cells<span> laid end to end would cross the diameter, then 5 mm/50 </span>cells<span> = 0.1mm/</span>cell<span>.</span>
one of the "rules" it that every living thing came from a living thing.
D 50 percent. use the punnent square to figure that out
Incorrect facts shouldn't be on it