10 Questions
Which chromosome primarily determines biological sex in humans?
Y chromosome
What is the primary factor responsible for the formation of male genitalia during development?
Presence of functional testes
What is the primary function of the ovaries in human females?
Both production of germ cells and secretion of sex hormones
Which hormones are responsible for the appearance of adult male or female characteristics during adolescence?
Both gonadotropins and sex hormones
Which of the following statements about sex hormone secretion is correct?
Both androgens and estrogens are secreted in both sexes
What is the primary hormone secreted by the ovaries?
Estrogens
Which hormone is responsible for preparing the uterus for pregnancy?
Progesterone
What is the primary function of inhibin B in the endocrine system?
Inhibiting FSH secretion
Which hormone, when secreted by the ovaries during pregnancy, aids in loosening the pubic symphysis ligaments?
Relaxin
In postpubertal females, what is necessary for menstruation, pregnancy, and other reproductive functions to occur?
Sequential secretion of gonadotropins
Learn about the genetic basis of sex determination in humans, the differentiation of gonads into testes or ovaries, and the development of male and female reproductive structures. Explore the influence of the Y chromosome and endocrine structures on sexual development.
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