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.
If you are booking an airfare in the United States, U.S. Department of Transportation regulations require that, as long as you've booked a non-refundable ticket 7 days ahead of your flight, you're entitled to hold your reservation and the fare and change or cancel your reservation within 24 hours of booking, without paying a cancellation fee ( ...