Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 50, Problem 8TYK
In the development of the female sex organs:
a. all ducts in the 7-week embryo become Wolffian ducts.
b. the SRY gene is activated.
c. anti-Müllerian hormone is secreted.
d. the Müllerian ducts develop into oviducts.
e. the mother secretes oxytocin.
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Chapter 50 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 50.1 - Prob. 1SBCh. 50.1 - Prob. 2SBCh. 50.2 - Prob. 1SBCh. 50.2 - Prob. 2SBCh. 50.2 - Prob. 3SBCh. 50.3 - Prob. 1SBCh. 50.3 - Prob. 2SBCh. 50.4 - Prob. 1SBCh. 50.4 - Prob. 2SBCh. 50.5 - Prob. 1SB
Ch. 50.5 - Prob. 2SBCh. 50.5 - Prob. 3SBCh. 50 - Prob. 1TYKCh. 50 - Prob. 2TYKCh. 50 - Prob. 3TYKCh. 50 - Prob. 4TYKCh. 50 - Prob. 5TYKCh. 50 - Prob. 6TYKCh. 50 - Prob. 7TYKCh. 50 - In the development of the female sex organs: a....Ch. 50 - In the embryonic development of the eye: a. the...Ch. 50 - Prob. 10TYKCh. 50 - Discuss Concepts Experimentally, it is possible to...Ch. 50 - Discuss Concepts Developmental biologist Lewis...Ch. 50 - Discuss Concepts Arguably, in sexually reproducing...Ch. 50 - Prob. 14TYKCh. 50 - Prob. 15TYKCh. 50 - Prob. 16TYKCh. 50 - Prob. 1ITDCh. 50 - Prob. 2ITDCh. 50 - Prob. 3ITDCh. 50 - Prob. 4ITD
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- Nutrient and waste requirements for the developing fetus are handled during the first few weeks by _____. a. the placenta b. diffusion through the endometrium c. the chorion d. the blastocystarrow_forwardLabel the early development stages shown in the following diagram.arrow_forwardDuring the secretory phase of the menstrual cycle, endometrial glandssecretea. hormones that increase the likelihood of pregnancy.b. nutritive substances that sustain an embryo during the first 2 weeksof development.c. hormones that prevent ovulation.d. waste products into the lumen of the uterus.e. both a and c.arrow_forward
- Which of the following embryological events is involved in the formation of the ovarian follicles? a. Development of a genital tubercle in the cranial and the cloacal membrane b. Differentiation of the endoderm of the urogenital sinus c. Formation of longitudinal invaginations along the lateral aspect of the mesonephros d. Innervation of the ovary by neural crest cells e. Migration of the primordial germ cells from the yolk sacarrow_forwardWhen pregnancy occurs, the endometrium is maintained bya. the embryo releasing hCG.b. a decrease in levels of progesterone.c. the hypothalamus releasing GnRH.d. increasing levels of FSHarrow_forwardWhich of the following statements does NOT describe the events that occur if the ovum is not fertilized? Select one: a. The corpus luteum degenerates and stops producing estrogen and progesterone. b. GnRH, FSH, and LH levels begin to increase. c. Progesterone maintains the endometrium for the zygote. d. Low levels of progesterone result in menstruation.arrow_forward
- Which of the following is not a mechanism on how contraceptive pills work to prevent pregnancy? A. thinning the endometrium to prevent implantation B. inhibition of follicular development and suppression of ovulation C. progesterone inhibits the sperm from penetrating through the cervix and female upper tract by making the cervical mucus unfriendly D. stimulates the production of high testosterone levelsarrow_forwardAccording to the diagram at right, FSH injections to super-stimulate the ovaries will: a. Rescue the subordinate follicles from atresia b. Reverse atresia of subordinate follicles c. Stimulate new waves of follicular growth d. Cause ovulation of atretic follicles what prevents the dominant follicles of Waves 1 and 2 from ovulating? a. follicles are not big enough b. the animal is not in heat c. the high progesterone prevents the LH/FSH surge d. all of the above e. none of the abovearrow_forwardWhich of the following statement does NOT describe the event that occurs if the ovum is not fertilized? Select one: A. Progesterone maintains the endometrium for the zygote. B. Low level of progesterone results in menstruation. C. The corpus luteum degenerates and stops producing estrogen and progesterone. D. GnRH, FSH, and LH levels begin to increase.arrow_forward
- Which of the following is NOT associated with the embryo developing into a male: a. androgen c. Müllerian ducts b. Wolffian ducts d. testosteronearrow_forwardThe Leydig cell is primarily characterized bya. aromatization of testosterone.b. secretion of inhibin.c. secretion of testosterone.d. expression of receptors only to FSH.e. transformation into the corpus luteum.arrow_forwardwhich of the following statement is NOT about follicle-stimulating hormones (FSH) in the male reproductive system? Select one: A. It is stimulated by GnRH and LH. B. It increases the production of inhibin. C. It is suppressed by increased levels of Testerone snd inhibin. D. It stimulates the Sertoli cells to produce spermarrow_forward
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