Which of the following statements is the function of mRNA? A. directs the cell on how to make proteins for the body and other necessary materials
B. makes proteins from the information it gets from DNA for the cell
C. unzips DNA and replicates it for the cell and then zips it back up when it is done
D. takes a copy of piece of DNA out of the nucleus to the rest of the cell

b

Explanation:

since we now that the mRNA contains nitrogen bases in the form of genetic codons, tRNA picks up these codons and ribosomes synthesise the protein in the form of long chain of polypeptide.

the answer to the blank provided is “an autosomal gene that is required for the expression of genes on the x chromosome”.

testis-determining factor, abbreviated as td, which is more popularly known as sex-determining region y or sry protein, is a dna-binding protein or  gene-regulatory protein/transcription factor, encoded by the  sry gene. it is the gene responsible for the initiation of male gender determination in humans.