True breeding animals have certain characteristics that are carried to subsequent generations. What are the advantages of true breeding?
A) the development of a new breed of the animal
B) introduction of new traits in future generations
C) elimination of genetic disorders from future generations
D) consistent and predictable characteristics in future generations

Hormones are chemical molecules produced by endocrine glands. one such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles. which two statements describe the probable reason for the function of the hormone? the cells in the heart have specific receptors that allow for the intake of hormones. the heart and the endocrine glands have the exact same types of cells. all cells make the same types of hormones. thyroid hormones show their effect on the heart by means of specialized cells. thyroid cells and cardiac cells have different dna.