Organic molecules are the molecules which exist in all living things. They are lifes buildingblocks.Allthingsareformedfromtheseorganicmolecules.Therearefourcategoriesof organicmolecules:Carbohydrates,lipids,proteinsandnucleicacids. 1
1) With your knowledge of meiosis and egg formation, why should maternal age be associated
with an increase in errors that lead to Down syndrome?
Researchers have established that the likelihood that a reproductive cell will contain an extra copy of chrom