1. A person with which of the following genetic conditions has a normal number of chromosomes?

1. A person with which of the following genetic conditions has a normal number of chromosomes?A) Kleinfelter’s syndromeB) polydactily syndromeC) Down’s syndromeD) Turner’s syndromeE) XXX2. Cystic fibrosis is an autosomal recessive trait. If both parents are heterozygous for cystic fibrosis trait, what is the probability that they will conceive a child that does not have cystic fibrosis disease? A) 0% B) 25% C) 50% D) 75% E) 100%3. An example of a chemical not filtered by nephrons in a healthy person is ______A) albuminB) ureaC) glucoseD) Cl- ionE) H+ ion4. Which of the following are the effects of testosterone?A) development of male reproductive structures in an embryoB) development and enlargement of male sex organsC) development of male sexual characteristicsD) increased protein synthesis in cellsE) all the choices are correct5. Which part of the ovary is correctly described?A) ovarian follicles contain oocytes at various stages of developmentB) germinal epithelium gives rise to ovaC) the mature(Graafian) follicle produces progesteroneD) corpus luteum is a fluid-filled bubble ready to rupture and release secondary oocyteE) the ovarian medulla is also called “corpus albicans”6. What is a non-reproductive function of estradiol?A) has a major role in maintaining K+ and Na+ levels by influencing the kidneyB) regulates blood pHC) regulates glucose levelD) stimulates uterine epithelium, affects sex drive and maternal behaviorE) keeps bone healthy by slowing down bone resorption

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