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Exam 30: Animal Reproduction and Development

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Question 31

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What does the human reproductive system create?

A) a new gamete
B) a genetically identical copy of an existing human
C) a genetically identical cell
D) a genetically different cell
E) a genetically unique offspring

F) B) and C)
G) C) and D)

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Question 32

Multiple Choice

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A diaphragm is a shallow,dome-shaped rubber disk with a flexible rim that fits within the vagina and covers the cervix.How does this act as a contraceptive to prevent pregnancy?

A) It would prevent sperm from reaching the egg.
B) It would prevent ovulation.
C) It would cause the embryo to die.
D) It would prevent implantation on the uterine wall.
E) If would act as a spermicide,killing sperm.

F) B) and C)
G) All of the above

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Question 33

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In organisms that reproduce sexually,________ are the sex cells that carry the genetic information from each parent.

The intake of alcohol,cigarette smoke,and insufficient amounts of vitamins may all cause birth defects in a developing fetus.

Which statement about sexually transmitted diseases is wrong?

In the male,the sac-like structure that contains the testes is the

The structure of reproductive systems is similar between some organisms,and hybridization is a special danger for cases of external fertilization.What prevents fertilization of gametes from different organisms?

The gland that forms from ruptured follicle cells in the ovary and secretes estrogen and progesterone is the

The cause(s)of PMS are clearly related to hormonal fluctuations,but they are not yet fully understood.

Human development exemplifies direct development,since the baby so clearly resembles the adult.

Working with a female patient who has ________ cancer,you expect that tests will show an infection with human papilloma virus.

In human males,the different types of male sex hormones are collectively called

The hormone released from the hypothalamus that stimulates release of LH and FSH in both the male and female is

If you were working with a male patient suffering from infertility.Examination shows no problems until a blockage in a tube that extends from the scrotum and connects to the urethra.You tell the patient that the infertility is probably due to damage to his

The diploid first cell of a new organism is a(n)

The cap-like __________________ covers the head of the sperm and releases enzymes that will help the sperm penetrate the egg.

Athletes who take synthetic steroids can become sterile due to lack of sperm production.This is because of negative feedback on what?

The structure that secretes a thin,milky,alkaline fluid that activates the sperm to swim is the

Thalidomide was given to pregnant women from 1957 to 1961 to help relieve the symptoms of morning sickness.Thalidomide binds to and inactivates the protein cereblon,which is important in limb formation.If a woman took thalidomide during the _____ period of her baby's development,it could result in stunted growth of their limbs.

The tightly coiled structure (structures) inside the testes that produce the sperm cells is (are) the