Exam # 4 Quiz Questions Reproductive – Flashcards
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Which structure is not found in both males and females?
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Vestibular gland
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Which is not correct regarding the ovaries?
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The gametes develop from the ovarian germinal epithelium.
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The expression of the ________ gene results in the production of proteins that stimulate synthesis of androgens that initiate development of a male phenotype
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SRY
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Which of the following is true?
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Semen is composed of seminal fluid and sperm.
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An erection of the penis is caused by
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blood filling the erectile bodies and compressing the veins.
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The cord that guides the descent of the testes is the
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Gubernaculum
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When comparing gamete production in males and females, males produce
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more gametes that are smaller in size
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Normally, the uterus is angled anterosuperiorly within the body, a position referred to as
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anteverted
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The external os is the
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opening of the cervix into the vagina
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What is endometriosis?
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Presence of endometrial tissue (glands and stroma) outside of the endometrial cavity
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Define the term "independent assortment" and indicate how this leads to diversity in the genetic content of gametes.
Learning Objective: 28.02.05 Explain the difference between homologous chromosome pairs and sister chromatids.
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This random alignment of homologous chromosomes is called independent assortment.
Through independent assortment the genetic makeup of each secondary oocyte is approximately 1 in 8 million, and the genetic makeup of each sperm is approximately 1 in 8 million. The chromosomes (and alleles) separate from one another during anaphase I (chromosome segregation) and move independently of one another into different gametes (independent assortment) to produce a 1 in 8 million unique genetic composition in each secondary oocyte and 1 in 8 million unique genetic composition in each sperm
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Developing sperm cells are protected by a blood-testis barrier formed by
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sustentacular cells.
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Although the length of the menstrual cycle varies between women, menstruation consistently occurs 14 days after ovulation, and thus the _________ phase is constant in length.
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secretory
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Ovulation is induced by a peak in the secretion of
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LH
