I need a better science grade so im trying to at least get an 80 percent, no lower grade

Which process is represented a.) deletion b.) nondisjunction c.) translocation d.) insertion

Why has two different alleles for the same trait?

True or false: (a) the strings of little red dots represent carbohydrates. (b) the model is called a bilayer because there are two main types of molecules present, lipids and proteins. (c) the many black lines represent amino acid tails. (d) this model shows membrane transport. (e) the blue ovals are hydrophobic. (f) the blue ovals represent phospholipid heads.