The structures that draw an ovulated oocyte into the female duct system are
The usual site of embryo implantation is
The male homologue of the female clitoris is
Which of following is correct relative to female anatomy?
the urethra is the more ventral of the two
orifices in the vulva
Secondary sex characteristics are
a result of male or female sex hormones
increasing in amount at puberty
Which of the following produces the male sex hormones?
interstitial endocrine cells
Which will occur as a result of nondescent of the testes?
viable sperm will not be produced
The normal diploid number of human chromosomes is
Relative to differences between mitosis and meiosis,choose the statement that apply only to events of meiosis.
tetrads present,producesfour daughter cells, reduces the chromosomal number by half,and synapsis and crossover of homologues occur.
Hormones that directly regulate the overian cycle
Follicle Stimulating hormone (FSH)
and Luteinizing Hormone (LH)
Chemicals in males that inhibit the hypothalamic-pituitary-testicular axis
inhibin and testosterone
Hormone that makes the cervical mucus viscous
Potentiates the activity of testosterone on spermatogenic cells
In females,exerts feedback inhibition on the hypothalamus and anterior pituitary
Stimulates the secretion of testosterone
Luteinizing Hormone (LH)
The menstrual cycle can be divided into three continous phases.Starting from the first day of the cycle,their consecutive order is
Spermatozoa are to seminiferous tubules as oocytes are to
Which of the following does not add a secretion that makes a major contributionto semen?
The corpus luteum is formed at the site of
The sex of a child is determined by
the sex chromosome contained i the sperm
FSH is to estrogen as estrogen is to
A drug that "reminds the pituitary" to produce gonadotropins might be useful as
a fertility drug