Examlex
Which of the following choices is/are ionic oxides
I. SrO
II. SiO2
III. SO2
Secondary Sex Characteristics
Physical traits that are not directly involved in reproduction but distinguish the sexes, such as breast development in females and beard growth in males.
Primary Sex Characteristics
The main organs and structures directly involved in reproduction.
Menarche
A primary sex characteristic in females; a female’s first menstrual period, which signals the ability to reproduce sexually.
Genetic Influences
The impact that the genetic makeup of an individual has on their traits, behavior, and susceptibility to certain conditions.
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