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?