32 Questions
How many chromosomes do chromosomes in one male gamete and one female gamete combine to form?
46
What is the function of the dartos and cremaster muscles?
To regulate the temperature of the testes
What is the covering of the testes called?
Tunica albuginea
How many cell types are present in the seminiferous tubules?
6
What is the function of Sertoli cells?
To control sperm production and germ cell survival
What would happen if the developing germ cell antigens entered the bloodstream?
An autoimmune response would occur
What is the process called when the germ cells develop into sperm cells?
Spermatogenesis
How many chromosomes do spermatogonia have?
46
What is the term for when one or both testes fail to descend into the scrotum before birth?
Cryptorchidism
What is the energy source for the flagellum to move the sperm cell?
ATP
What is the percentage of semen that is made up of sperm?
5%
What is the role of the prostate in semen?
Add fluid to coagulate the semen
What is the name of the hormone that regulates testosterone production?
Gonadotropin releasing hormone (GRH)
What is the term for the external female reproductive area?
Vulva
What is the function of the labia minora?
Protect the urethra and female reproductive system
What is the structure that comes from the same cells as the glans penis?
Clitoris
What happens to the corpus luteum if pregnancy does not occur within 10-12 days?
It degrades and progesterone decreases
What is the function of the mammary glands in lactation?
To produce breast milk
Why does hormonal birth control prevent pregnancy?
It supplies a constant amount of estrogen and progesterone
What is the typical age range for puberty in females?
Age 9-11
What is the role of the Y chromosome in sex determination?
It is necessary for the development of the male reproductive system
What is the effect of poor nutrition on puberty in females?
It accelerates puberty
What is the function of the natural microorganisms in the vagina?
To protect from pathogens
What is the approximate length of the ovarian cycle?
28 days
What is the term for the process by which an oocyte develops in the cortex of the ovaries?
Oogenesis
What is the fate of the 3 smaller cells that split from the oocyte during meiosis?
They disintegrate eventually
What is the source of mitochondrial DNA in the offspring?
The mother
What is the term for the death of multiple follicles during the ovarian cycle?
Atresia
Which hormone triggers the LH surge in the ovarian cycle?
Estrogen
What is the function of the cilia in the uterine tubes?
To produce a current for the oocyte to travel to the uterus
What is the term for the phase of the menstrual cycle where the lining is shed?
Menses phase
What is the purpose of the fluid in the secretory phase of the menstrual cycle?
To provide nutrients for the zygote
Learn about the role of gametes, sperm and oocyte, in the human reproductive process. Understand how chromosomes combine for proper development and how the male reproductive system functions. This quiz covers the basics of human reproduction and cell biology.
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