In this type of prenatal diagnosis, karyotype analysis can be performed as early as 8 weeks

A. Amniocentesis D. Pre-genetic diagnosis
B. Chorionic villus sampling E. Polyploid analysis
C. Cell-free fetal DNA analysis


B

Biology & Microbiology

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Which of the following events occur(s) during

the follicular phase of the menstrual cycle? a. An ovarian follicle enlarges. b. A zona pellucida forms around the oocyte. c. An oocyte completes meiosis I. d. Estrogen levels increase. e. All of these occur

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Which of the following is the best definition of

sympatric speciation? a. species that evolve due to geographical distance b. mechanical isolation acts to prevent speciation c. breeding behavior that prevents the organisms from breeding due to differences in their breeding time d. ecological isolation e. evolutionary change that creates two species occupying the same space

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________ stimulates carbohydrate metabolism and reduces inflammation, and synthetic forms of this hormone have been used as anti-inflammatory agents.

A. ACTH B. Cortisol C. Epinephrine D. Aldosterone

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Which part of the lower respiratory tract integrates the respiratory system with the cardiovascular system?

A. sinus cavity B. esophagus C. bronchial tree D. lungs E. trachea

Biology & Microbiology