If meiosis does not occur properly, an egg or sperm could end up with too many chromosomes, or not enough chromosomes. Upon fertilization, the baby could then receive an extra chromosome (called a trisomy), or have a missing chromosome (called a monosomy).
It is Possible to Save Money on Airline Tickets. There are some time-proven axioms that you can follow to put the odds on your side in helping you save money on airline tickets. If you want to save money on airfare, don't be rigid on the time of day you want to travel.
2. Buy Late. Sometimes you can buy tickets at the very last minute for a great price if the airlines have failed to fill their planes. You can find such fares at specialized sites like LastMinuteTravel.com, or sometimes on airline websites and online booking sites such as Expedia.