The region of a chromosome responsible for defining a particular trait such as the color of one's eyes is

Question

called a
A. mutation.
B. gene.
C. gamete.
D. nucleus.

my answer is b.

Answer 1

Your answer is correct! The region of a chromosome responsible for defining a particular trait, such as the color of one's eyes, is called a gene. A gene is a specific sequence of DNA that contains the instructions for making proteins, which are responsible for various traits and characteristics in an organism. Genes are located on chromosomes, which are structures made up of DNA found in the nucleus of cells.