The left and right y-axes are in opposite directions because Multiple Choice the protein products of the A and a genes counteract each other. a high proportion of one allele of a gene indicates a low proportion of the other. mutation tends to convert one allele to another. any given individual can have one of the alleles, but not both.

the glands which are associated with each description is given below:

pancreas - is an endocrine and exocrine gland that secretes juices with enzymes for digestion. salivary glands- with protection and digestion in the mouth. liver- secretes bile for digestion.   lachrymal glands - secrete tears to moisten eyes and protect them from particles and infection.   sweat gland -regulates water, salt, and temperature. oil glands - to form a protective barrier on the skin.   goblet cells - secrete mucus for protection.