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
Sperm and Egg Cell Movements Before and After Fertilization
Depiction of the homunculus, a sperm containing a miniature adult
How the cortical reaction in a mouse egg is thought to prevent additional sperm from entering the eg
Carbon-11 is used in medical imaging. The half-life of this radioisotope is 20.4 min. What ...
An electrochemical cell is based on these two half-reactions
An electrochemical cell is based on these two half-reactions