Chapter 26
interphase
A cell preparing to undergo meiosis duplicates its chromosomes during
homologous chromosomes stick together in pairs.
During Prophase 1 of meosis,
diploid; haploid
Mitosis produces cells that are ___________; meiosis produces cells that are ___________.
fertilization
The fusion of sperm and egg is known as:
Spermatogonia
The stem cells that give rise to new sperm are called __________.
ABP
Which of the following is NOT a component of semen?
Ovulation
Which of the following is regulated by a positive feedback mechanism in females?
testosterone
Which of the following is the main hormone that regulates spermatogenesis?
It releases an immature gamete each month.
Which of the following is true about oogenesis?
Gametes
Complete this analogy: Testes are to gonads as sperm are to:
prophase I, metaphase I, anaphase I, telophase I, cytokinesis, meiosis II.
Correct order of events during meiosis
Prophase 1
During meiosis, segments of nonsister chromatids can trade places. This recombination of maternal and paternal genetic material is a key feature of meiosis. During what phase of meiosis does recombination occur?
Ovaries
In a female, follicle-stimulating hormone (FSH) and luteinizing hormone (LH) target the:
Four haploid cells
Meiosis starts with a single diploid cell and produces
Spermatid; Sperm
Spermiogenesis begins with a ________ and ends with a ________.
Endometrium
The innermost epithelial layer of the uterus is the __________.
Fimbriae
The structures that catch the oocyte upon ovulation are the __________.
Emission
The term __________ describes the movement of sperm and accessory gland secretions into the urethra.
Sister Chromatids
Two identical copies of the same chromosome are called __________.
Epididymis
Upon leaving the testes, sperm enters the ________ for functional maturation.
Hormonal Method
What type of birth control may prevent pregnancy by manipulating the hormones and interfering with ovulation?
female climacteric, or menopause
When menstruation has ceased for at least one year, what has occurred?
Ampulla of the Uterine Tube
Where does fertilization usually occur?
Seminiferous Tubules
Where does sperm production occur within the testis?
Seminal Vesicles
Which of the following glands produces the majority of the fluid in semen?
Diaphragm
Which of the following is a barrier method of birth control?
Urethra
Which structure is part of both the reproductive and the urinary system in males?
