Many researchers have found positive correlations between spouses on a variety of attributes, including education level, attitudes and values, and cognitive abilities. These findings illustrate _______.
a) exogamy
b) collectivism
c) heterogamy
d) homogamy
d) homogamy
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Rigidity of the penis resulting from an inflow of blood during sexual arousal is referred to as _______
a. arousal b. frenulum c. circumcision d. erection
The _______ support(s) each testicle and encases the vas deferens, nerves, and muscles
a. scrotum b. prostate gland c. seminiferous tubules d. spermatic cords
________ involves the fertilization of eggs by sperm, in vitro, with the fertilized eggs being transferred back to the female's fallopian tube using a laparoscope
a. Gamete intrafallopian transfer (GIFT) b. Embryo transplant c. Zygote intrafallopian transfer (ZIFT) d. In vitro fertilization (IVF)
Which of the following is true of amniotic fluid?
A. It holds the fetus rigidly in one place. B. It is an alkaline enzyme secreted by sperm. C. It protects the fetus from possible injury. D. It facilitates conception during ovulation.