Apr 30, 2018 · Primary Sexual Characteristics Primary sexual characteristics are those that are present at birth. In mammals, sex is determined through hormonal events in utero that under normal circumstances are controlled by the combination of X and Y chromosomes. Aug 30, 2011 · · Primary sexual characteristics are the sexual organs, while secondary characters are the other changes occur in relation with the development of the organism. · Primary sexual characteristics start to develop during the foetal development of an organism, whereas the secondary sexual characteristics start to develop only around the pubertal age.Author: Naveen.
Primary sex characteristic definition, any of the body structures directly concerned in reproduction, as the testes, ovaries, and external genitalia. See more. Jan 13, 2016 · Primary sexual characteristics are the physical characteristics directly involved in reproduction, such as the sex organs. The sex organs involved can have various names depending on the living thing being discussed. Sex organs is a broad category that includes any gland, organ, or part that is necessary for reproduction.
However, primary sex characteristics are body structures that are specific to sex. Females have ovaries whereas men have testes. These are primary sex characteristics because they are specific to the sex of the person (men typically don't have ovaries) and are related to reproduction. primary sex characteristic - the genetically determined sex characteristics bound up with reproduction (genitals and organs of reproduction) primary sex character, primary sexual characteristic sex character, sex characteristic, sexual characteristic - those characteristics (both anatomical and psychological) that are strongly associated with one sex relative to the other.