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.
At the 5' end of a gene we find a promoter and often a CpG island. Both of these elements regulate the transcription of a gene. At the 3' end of a gene we find a stop sequence, and a signal for polyadenylation (AAUAAA). Transcription is the process of copying the genetic information in DNA into RNA.This is done by the enzyme RNA polymerase which binds to a region called a promoter found at the 5 end of a gene. The binding of RNA polymerase is tightly regulated by many proteins called transcription factors.t the 5' end of a gene we find a promoter and often a CpG island. Both of these elements regulate the transcription of a gene. At the 3' end of a gene we find a stop sequence, and a signal for polyadenylation (AAUAAA). Transcription is the process of copying the genetic information in DNA into RNA.