PY 466 CH 10
First trimester sexual differentiation
Internal sex organs External sex organs
Attachment
Monogamy → evolved mating system • Offspring survival
The gonadotropic hormones that stimulate both the ovaries and testes are ______.
luteinizing and follicle-stimulating hormones
According to information presented in the textbook, an increased rate of homosexuality/bisexuality is noted in ______.
women with congenital adrenal hyperplasia
Third trimester sexual differentiation
Brain masculinization or femininization
According to information presented in the textbook, a novel female will elicit another bout of sexual behavior in a sexually satiated male rat. This is referred to as the ________ effect.
Coolidge
_____ is a neuropeptide associated with attachment behavior in humans and other mammals.
Oxytocin
The key factor that determines whether undifferentiated gonads develop into testes is the ______.
SRY gene located on the Y chromosome
According to information presented in the textbook, the ______ effect refers to the situation in which the odor of a male rodent will accelerate the onset of puberty in a female rodent.
Vandenbergh
An example of a secondary sex characteristic is ______.
a deep voice
A human female is more likely to initiate sexual activity with her partner ______.
at the point in her menstrual cycle when estradiol levels are highest
The Müllerian system structures are the precursors to the ______.
female internal sex organs
The formation of the ovaries during prenatal development is controlled by ______.
no factor
The key distinction between an organizational hormone effect and an activational hormone effect is that ______.
organizational effects are permanent
According to information presented in the textbook, nest building ("nesting") is facilitated by administration of ______.
progesterone
According to information presented in the textbook, odor of human female underarm sweat can ______.
synchronize menstrual cycles in women
The gonads of a 6-week-old human XY-male fetus appear as ______.
undifferentiated (neither male nor female)
A person's genetic sex is determined by ______
the sperm, which contributes either an X or a Y chromosome