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
A vasectomy, showing how each vas deferens is tied off in two places and then a section is removed f
sperm trying to fertilise an egg.
(a) The relative age ranges of different dating techniques depend upon the half-life of the system u
Women who are monozygotic twins and have the same genes are more similar in their marital happiness
Comparison of two pairs of rII mutations