The sperm and ovum that joined to become you each had only one half of each of the pairs of chromosomes that belonged to your father and mother. The process that created the sperm and ovum is known as ____.
a. mitosis
b. halitosis
c. meiosis
d. zygosis
Question 2
Charlie, a cell, suddenly splits himself into an exact replica. There are now two Charlies. Not long after that, it happens again, and there are four Charlies. This process is called ____.
a. mitosis
b. meiosis
c. fertilization
d. symbiosis
scanning electron micrograph showing an ovum (pink) released by the ovary at ovulation surrounded by
An ovum and spermatozoa.
In addition to common schools, thousands of female seminaries were built between 1820 and 1850, many
The four pairs of paranasal sinuses.
Sperm counts "العدد الطبيعي للحيوانات المنوية"
Depiction of the homunculus, a sperm containing a miniature adult