Chapter 27 Review Questions
The normal diploid number of human chromosomes is?
46
A dug that "reminds the pituitary" to produce gonadotropins might be useful as?
A fertility drug
Secondary sex characteristics are?
A result of male or female sex hormones increasing in amount at puberty.
Chemicals in males that inhibit the hypothalamatic-pituitary- testicular axis
Inhibin; Testosterone
Which of the following produces the male sex hormones?
Interstitial endocrine cells.
FSH is to estrogen as estrogen is to?
LH
Stimulates the secretion of testosterone
LH
In females, exerts feedback inhibition on the hypothalamus and anterior pituitary
Testosteron; Inhibin; Progesterone
Relative to differences between mitosis and meiosis, what events apply only to events of meiosis?
Tetrads present, Produces four daughter cells, Reduces the chromosomal number by half & Synapsis and crossover of homologues occur.
The male homologue of the female clitoris is?
The Penis
The structures that draw an ovulated oocyte into the female duct system are?
The cilia, fimbriae, and the uterus.
Which will occur as a result of nondescent of the testes?
Viable sperm will not be produced.
Potentiates the activity of testosterone on spermatogenic cells
androgen- binding protein
Hormones that directly regulate the ovarian cycle
FSH, LH
The menstrual cycle can be divided into three continuous phases. Starting from the first day of the cycle; their consecutive order is?
Menstrual, proliferative, secretory
Spermatoza are to seminiferous tubules as oocytes are to?
Ovarian follicles
The corpus luteum is formed at the site of?
Ovulation
Hormone that makes the cervical mucus viscous
Progesterone
The sex of a child is determined by ?
The sex chromosome contained in sperm
Which of the following is correct relative to female anatomy?
The urethra is more ventral of the two orifices in the vulva.
The usual site of embryo implantation is?
The uterus
Which of the following does not add a secretion that makes a major contribution to semen?
ductus deferens
