Biology 11th Edition by Gerald Audesirk,Teresa Audesirk,Bruce Byers

تمرين 15

Different versions of the same gene are called ______________. These versions arise as a result of changes in the sequence of ______________ that form the gene. These changes are caused by ______________. An individual with two identical copies of a given gene is described as being ______________ for that gene, while an individual with two different versions of that gene is described as ______________.