Term
| Why are STDs nearly impossible to eradicate from the population? |
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Definition
| Infected people are often asymptomatic and all partners have to be treated simultaneously to prevent re-infection. |
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Term
| Which event in the menstrual cycle is triggered when blood estrogen levels fall and after the uterine lining is shed? |
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Definition
| FSH is released from the pituitary. |
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Term
| Aside from the need to find a partner, which of the following is another major DISADVANTAGE of sexual reproduction? |
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Definition
| Finding a mate can consume lots of energy and time. |
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Term
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Definition
| is the initial source of progesterone during pregnancy. |
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Term
| Prior to fertilization, the pathway traveled by sperm through the female reproductive system is: |
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Definition
| vagina, cervix, uterus, Fallopian tube. |
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Term
| Which of the following statements about sexually transmitted diseases is true? |
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Definition
| STDs can be transmitted through the mouth or the anus. |
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Term
| For which of the following reasons might a man claim a reasonable legal right to an embryo produced by fertilizing an egg with his sperm? |
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Definition
| The embryo contains half of the man's DNA . |
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Term
| In animals, the endoderm, mesoderm, and ectoderm are the types of: |
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Definition
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Term
| What structure in a sperm cell contains what might be called "a cap or bag containing digestive enzymes"? |
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Definition
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Term
| Most of the "eggs" in the ovary are arrested as ________ in the process of oogenesis when a female reaches puberty. |
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Definition
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Term
| An animal called a hydra can reproduce by growing a miniature version of itself directly from the tissues of the parent. The miniature hydra then breaks off and grows to full size. This type of reproduction is best called: |
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Definition
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Term
| Which of the following statements is true about external fertilization in most species? |
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Definition
| All of the above are true. |
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Term
| In which part of a sperm cell can mitochondria be found? |
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Definition
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Term
| Infertility of two prospective parents is defined as: |
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Definition
| the inability to become pregnant after one year of trying. |
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Term
| The completion of meiosis II in the oocyte of human females occurs: |
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Definition
| after the oocyte is fertilized by a spermatazoan. |
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Term
| The _____________ is the site of gamete production in human females. |
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Definition
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Term
| A primary function of the prostate gland is: |
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Definition
| to produce the fluid (non-sperm) components of semen. |
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Term
| Contraception usually involves one of three methods. What are these three? |
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Definition
| preventing fertilization, preventing implantation, preventing ovulation |
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Term
| In species which alternate between sexual and asexual reproduction, the trigger that switches them to sexual reproduction is often |
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Definition
| changing environmental conditions. |
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Term
| In the menstrual cycle of the human female, the direct response to the increase in the luteinizing hormone is: |
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Definition
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