Chapter 26

____ reproduction produces genetic copies of a parent.

A(n) ___ produces both eggs and sperm. a. hermaphrodite b. asexual organism c. ovary d. testis

Meiotic divisions of germ cells in the ___ give rise to sperm. a. seminiferous tubule b. prostate gland c. penis d. epididymis

True or false? A female's germ cells do not divide after birth.

During a menstrual cycle, a midcycle surge of ___ secreted by the pituitary triggers ovulation. a. estrogen b. progesterone c. LH d. FSH.

After ovulation, the corpus luteum secretes ___, a. LH b. FSH c. progesterone d. prolactin.

A ___ implants in the lining of the uterus. a. zygote b. gastrula c. blastocyst d. fetus.

Number these events in human development in the correct order. ___ gastrulation occurs ___ blastocyst forms ___ zygote forms ___ neural tube forms ___ heart starts beating.

Which of the following STDs are caused by bacteria? a. chlamydia b. gonorrhea c. genital warts d. trichomoniasis e. a and b f. all of the above.

The placenta includes ___. a. maternal tissue b. chorion tissue c. mesoderm d. a and b.

Secretion of oxytocin stimulates ____. a. contraction of uterine smooth muscle b. expulsion of milk from mammary glands c. ovulation d. blastocyst implantation e. a and b f. all of the above.

Match each human reproductive structure with the most suitable description. $$ \text {testis } \quad \quad\quad\quad\quad \text {a. maternal and fetal tissues } $$ $$ \text { cervix } \quad \quad\quad\quad\quad \text { b. adds fluid to sperm in semen} $$ $$ \text { placenta } \quad \quad\quad\quad\quad \text { c. produces testosterone } $$ $$ \text { vagina } \quad \quad\quad\quad\quad \text { d. produces estrogen and progesterone } $$ $$ \text {ovary } \quad \quad\quad\quad\quad \text { e. usual site of fertilization} $$ $$ \text { oviduct } \quad \quad\quad\quad\quad \text { f. secretes milk } $$ $$ \text { prostate gland } \quad \quad\quad\quad\quad \text { g. birth canal } $$ $$ \text { mammary gland } \quad \quad\quad\quad\quad \text { h.entrance to uterus } $$.