1
											
							possessing two different versions of a gene for a trait
						
					
								
					2
											
							possessing two identical versions of a gene for a trait
						
					
								
					3
											
							the type of inheritance through which expression of trait only occurs when a person inherits two recessive versions of a genes
						
					
								
					4
											
							the 23rd pair of chromosomes; XY or XX 
						
					
								
					5
											
							the pattern of inheritance in which multiple genes affect a characteristic
						
					
								
					6
											
							the features of a person that are actually expressed
						
					
								
					7
											
							22 of the 23 pairs of chromosomes are these
						
					
								
					8
											
							genetic make-up of a person
						
					
								
					9
											
							the type of inheritance through which an offspring with at least one dominant version of a gene for a trait it will be expressed
						
					
								
					10
											
							two or more alternative forms of a gene that can occupy the same position on paired chromosomes and affect the same trait
						
					
								
					11
											
							recipes for making proteins; located on chromosomes