<span>Technology is one reason why the shire horse is in decline. With the main job that they did being farmwork, and many of these tasks being taken over by mechanized means, the number of breeders of these horses has declined and the number of horses therefore available has dipped, as well.</span>
Answer:
The correct answer is - principle of segregation.
Explanation:
The principle of segregation explains that the in what manner pair of gene type or alleles are separated into sex or reproductive cells. These variants are known as the gene alleles. These are first studied by the Mendel as the traits in 1865. In this case the results are not consistent with this principle of segregation concept.
Thus, the correct answer is - principle of segregation.