<span>Smaller groupings within a species are called varieties and breeds. The correct options among all the options that are given in the question are the first option and third option or option "A" and option "C". I hope that this is the answer that you were looking for and it has actually come to your help.</span>
The best-characterized examples of multiple alleles in humans is the ABO blood groups, discussed in the Non-Mendelian inheritance concepts. Other human traits determined by multiple alleles would be hair color, hair texture, eye color, built, physical structure, etc.