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Why does puberty occur too late or too early in some individuals?
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- What two phases of a person's life do testosterone determine "male" development? Consider both gonadal and brain development, as outlined in the slides, as well as secondary sex characteristics. What does this imply about gender identity later in life?Why does the body show sexual maturation at the age of puberty?In the absence of sex hormones during fetal development, the human body will: A) develop a male-typical body pattern. B) develop a female-typical body pattern. C) remain sexually undifferentiated. D) develop an intersex body pattern.
- Which of the following is NOT TRUE? A) Menopause is marked by elevated levels of gonadotropins. A spermatozoon can survive for more than five days in a female reproductive tract. C) The proliferative endometrial phase is promoted by progesterone. Synthetic estrogens act as contraceptives by preventing the ovarian luteal phase. The hormonal basis of stress-induced amenorrhea is due to the influence of the limbic system on GNRH secretion.At what stage of fetal development does twinning cease to be biologically possible?Why does menstruation occurs?
