â Top â At conception, the babies sex is determined by chromosome characteristics-The genetic sex of a child is established at conception based on the 23rd pair of chromosomes it inherits from the parent.The mother's egg contains an X chromosome, and the father's sperm will contain either an X or Y chromosome. Top â At conception, the babies sex is determined by chromosome characteristics-The genetic sex of a child is established at conception based on the 23rd pair of chromosomes it inherits from the parent.
From the beginning, the purpose of the club has been the âpreservation, restoration and operation of old-time motorcycles.â Members of the AMCA own, restore, preserve, study or just admire motorcycles that fall into the antique category, meaning they are at least 35 years old.
Re: How old does something need to be to be considered vinatge or antique? This is what I got from Wiki ... Technically vintage means something is at least 7 years old. Antique used to mean at least 100 years old, but now the distinction has blurred a bit and people use the term antique to refer to something 50-75 years old. If it is over 30% of your life span, its vintage!