Exam 36: Reproduction and Development

Assume that successful reproduction in a rare salamander species, wherein all individuals are females, relies on those females having access to sperm from males of another species but that the resulting embryos show no signs of a genetic contribution from the sperm. In this case, the sperm appear to be used only for

A contraceptive pill that continuously inhibits the release of gonadotropin-releasing hormone (GnRH) from the hypothalamus will

Increasing the temperature of the human scrotum by 2°C (i.e., near the normal body core temperature) and holding it there would

The cortical reaction of sea urchin eggs functions directly in

Contact of a sperm with signal molecules in the coat of an egg causes the sperm to undergo

Fertilization of human eggs usually takes place in the

For normal human fertilization to occur,

Most of the noncellular fluid in ejaculated human semen is composed of

Among human males, both semen and urine normally travel along the

In excreted urine, a reliable "marker" that a pregnancy has initiated is

Figure 36.2 Some nonreproductive structures are labeled in parentheses for orientation purposes. -In the figure, which number corresponds to the testis?

In correct chronological order, the three phases of the human uterine cycle are

The formation of the fertilization membrane requires an increase in the availability of

Which of the following patterns of reproduction are found only among invertebrate animals?

The surgical removal of the seminal vesicles would likely

The primary function of the corpus luteum is to

Human sperm cells first arise in the

Why might scientists want to figure out how to change sexually reproducing plants that are in high demand in agriculture into asexually reproducing plants?