Answer:
Dogs are inbred for such desirable characteristics as blue eye color; but an unfortunate by-product of such inbreeding can be the emergence of characteristics such as deafness. A 1992 study of Dalmatians (by Strain and others, as reported in The Dalmatians Dilemma) found the following:
38% of all Dalmatians are deaf.
Explanation:
Since the desirable characteristics in the dogs is blue eye color but the unfortunate by product leads to deafness
A. to increase food production
Ok... so pretty much you need to use the words they gave you and find the relation between them and connect them using the chart given in the textbook. I tried explaining my best. hope I helped
The answer Is B. Organisms having variety of genes