If Sally has earlobes that are attached to the side of her head. Sally has two _[blank 1]_ that cause her to have attached earlobes. Sally has obtained these from her _[blank 2]_.
 blank 1: traits 
 blank 2: father
 blank 1: genes 
 blank 2: father
 blank 1: traits 
 blank 2: parents
 blank 1: alleles
 blank 2: parents