Question

which of the following is true: a. inheritance of a character is regulated by both promoter and regulatory sequences b.regulatory genes always code for a protein in order to control gene expression c. introns are present only in eukaryotes d.DNA sequence coding for tRNA or rRNA may not be necessarily called a gene

Answer 1

I think so option C is correct.

Answer 2

the answer is a,b and c, these three are the answers.

hope this answer will help, if not please forgive for giving the wrong answer.