Chiasmata Are Structures of Cross Over Between Non-Sister Chromatids of Homologous

question 21

True/False

Chiasmata are structures of cross over between non-sister chromatids of homologous chromosomes.

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Definitions:

Bulbourethral Gland

The bulbourethral gland, also known as Cowper's gland, is a small gland in males that secretes a pre-ejaculate fluid that lubricates and neutralizes acidic conditions in the urethra.

Membranous Urethra

The portion of the urethra in males that runs through the urogenital diaphragm, involved in urine and reproductive fluid discharge.

Seminal Vesicle

A pair of glands that open into the vas deferens near its junction with the urethra and secrete many of the components of semen.

Infundibulum

A funnel-shaped structure, found in various organs, such as the brain (connecting the hypothalamus to the pituitary gland) or in the reproductive system (the ovarian tube).