So the +3 part is where you start. so put a point on (0,3) because the +3 tells you to do that. then you have to remember rise over run. since it is a negative you will be going down. so go down 5 and then right 2 and put a point on where you landed at. then draw the line through to two points.
Genes have two alleles.
Some genes have a variety of different forms, which are located at the same position, or genetic locus, on a chromosome. Humans are called diploid organisms because they have two alleles at each genetic locus, with one allele inherited from each parent. Each pair of alleles represents the genotype of a specific gene.
The function of the excretory system is to remove wastes (excrete wastes).