Sexual organs that are directly involved in reproduction, such as the uterus, ovaries, penis, and testicles, are called _____ characteristics.

Question

Quizplus · Accepted Answer

Primary sex characteristics are the sexual organs that are directly involved in reproduction, such as the uterus, ovaries, penis, and testicles. Secondary sex characteristics are physical traits that develop during puberty and are not directly involved in reproduction, such as pubic hair, breast development, and facial hair in males. Epigenetic factors refer to changes in gene expression that can be influenced by environmental factors, but are not directly related to sex characteristics. Therefore, choices A and B are incorrect, and choice D is not relevant to this concept.

Sexual Organs That Are Directly Involved in Reproduction, Such as the Uterus