If a geneticist were to closely examine the make-up of a single autosomal chromosome from one of your cells,that chromosome would be found to be

A) derived entirely from genes from just one of your grandparents.
B) a mosaic of genes derived from your mother and father.
C) a mosaic of genes derived from all four of your grandparents.
D) a mosaic of genes derived from just two of your grandparents-either your two grandfathers or your two grandmothers.
E) a mosaic of genes derived from just two of your grandparents-either your maternal grandparents or your paternal grandparents.