Genes can be described as ______.

A) rod-shaped structures located in each human cell nucleus
B) the blueprint for creating all of the traits that organisms carry
C) sex cells that combine to create a unique individual
D) identical molecules for every existing species on earth

Genes

Biological units of heredity located in DNA, responsible for governing traits and characteristics passed from parents to offspring.

Chromosome

One of 46 rod-like molecules that contain 23 pairs of DNA found in every body cell and collectively contain all of the genes.

Rod-Shaped Structures

Physical formations or constructs that are long, slender, and cylindrical in shape.