What is the major function of the thyroid gland? The major function of the thyroid gland is to produce thyroid hormones, according to HowStuffWorks. One hormone is called thyroxine and the other triiodothyronine, or T4 and T3. Together, they regulate the growth and development of nearly every system in the body.
The principle of independent assortment states that genes for different traits can segregate independently during the formation of gametes. The principle of independent assortment states that genes for different traits can segregate independently during the formation of gametes. Independent assortment helps account for the many genetic variations observed in plants,animals, and other organisms.
Backcross breeding. Gene Cloning. Gene cloning is the process in which a gene of interest is located and copied (cloned) out of DNA extracted from an organism. When DNA is extracted from an organism, all of its genes are extracted at one time.This DNA, which contains thousands of different genes.ene Cloning. Gene cloning is the process in which a gene of interest is located and copied (cloned) out of DNA extracted from an organism. When DNA is extracted from an organism, all of its genes are extracted at one time.