The part of the yolk where the nucleus is located and sperm enters is a small, circular, white spot 2-3 mm across on the surface of the yolk called the magnus.
Neutron. Neutron.
A fertilized cell is when a mature ovum (egg) is fertilized by a sperm. It becomes a fertilized cell. The sperm enters the ovum and the tail drops off. Then mitosis occurs and the cell continues to develop.
one nucleus, two nuclei
You call them eukaryotic cells.
competitor
a boarder
They are called eukariyotic.Cells without nucleus called prokariyotic.
The Nucleus hold DNA
Pregnancy can occur in many forms, the most common is sex. Pregnancy can occur when a man ejaculates into a woman's vagina. The sperm then will make a long journey up the vaginal track (Birth Canal as some call it) into the Uterus. The sperm will continue up into the Fallopian Tubes and will await the egg.
anucleate
EUKARYOTES
The nucleus.