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23) Use the following diagram to answer the next question. If a physician performed an amniocentesis during pregnancy, the hypodermic needle used to obtain a sample of fetal cells would have to penetrate structure a. 1 b. 2 c. 3 d. 4 24) Use the following information to answer the next question. Chorionic villus sampling (CVS) is used to test for genetic disorders in the fetus and can be performed early in gestation (8-10 wks). The recommended method of CVS is to insert a probe with a needle on the end through the cervix and remove a small sample of the chorionic villi to be analyzed. Which is a correct description of chorionic villi? a. They form part of the placenta b. They are developed from the endometrium c. They are found in the digestive tract of the fetus d. They contain cells whose nuclei differ genetically from cells of the fetus 25) Every cell has _____ identical sets of chromosomes a. 1 b. 2 c. 3 d. 4 26) Testosterone is produced by a. Hypothalamus b. Pituitary c. Testes d. Cowpers gland

          23) Use the following diagram to answer the next question. If a physician performed an amniocentesis during pregnancy, the hypodermic needle used to obtain a sample of fetal cells would have to penetrate structure a. 1 b. 2 c. 3 d. 4 24) Use the following information to answer the next question. Chorionic villus sampling (CVS) is used to test for genetic disorders in the fetus and can be performed early in gestation (8-10 wks). The recommended method of CVS is to insert a probe with a needle on the end through the cervix and remove a small sample of the chorionic villi to be analyzed. Which is a correct description of chorionic villi? a. They form part of the placenta b. They are developed from the endometrium c. They are found in the digestive tract of the fetus d. They contain cells whose nuclei differ genetically from cells of the fetus 25) Every cell has _____ identical sets of chromosomes a. 1 b. 2 c. 3 d. 4 26) Testosterone is produced by a. Hypothalamus b. Pituitary c. Testes d. Cowpers gland

23) Use the following diagram to answer the next question. If a physician performed an amniocentesis during pregnancy, the hypodermic needle used to obtain a sample of fetal cells would have to penetrate structure a. 1 b. 2 c. 3 d. 4 24) Use the following information to answer the next question. Chorionic villus sampling (CVS) is used to test for genetic disorders in the fetus and can be performed early in gestation (8-10 wks). The recommended method of CVS is to insert a probe with a needle on the end through the cervix and remove a small sample of the chorionic villi to be analyzed. Which is a correct description of chorionic villi? a. They form part of the placenta b. They are developed from the endometrium c. They are found in the digestive tract of the fetus d. They contain cells whose nuclei differ genetically from cells of the fetus 25) Every cell has identical sets of chromosomes a. 1 b. 2 c. 3 d. 4 26) Testosterone is produced by a. Hypothalamus b. Pituitary c. Testes d. Cowpers gland

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