Question

(PLEASE HELP QUICKLY)

Marco’s little brother is watching a TV program about the gene that causes the genetic disease hemophilia. People with this disease cannot make a protein that is needed for blood to clot. After a few minutes, he turns to Marco and asks, “what exactly is a gene, anyway?”

Which of the following BEST describes a gene?


(A) A gene is a random change to an organism’s DNA.

(B) A gene is a structure in a cell that contains the cell’s chromosomes.

(C) A gene is made of DNA and contains the instructions for building proteins.

(D) A gene is a protein that makes up an organism’s structure and helps it function.

Answer 1

c. a gene is made of dna and contains the instructions for building proteins

Answer 2

(C) A gene is made of DNA and contains the instructions for building proteins.

Step-by-step explanation: