Does it occur during the development of the zygote, repair of tissue, development or sperm, or a combination of the above?

http://www.onelook.com/?w=meiosis&ls=a

Chloe
Of your multiple choices please read the following site page and I think the answer will be evident:

http://www.answers.com/topic/meiosis

If a fertilized egg from a mouse has 22 chromosomes, you should expect 22 chromosomes in the muscle cell of the same mouse. Is that true or false?