Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 41, Problem 4SQ
Summary Introduction
Concept introduction: Gametogenesis is the process by which male and female gametes are produced. Oogenesis, which is the production of the female gamete is a part of the female reproductive cycle. At the end of oogenesis, a single ovum is produced per month for fertilization.
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Chapter 41 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 41 - Stuck Sperm Cells lining the epididymis secrete a...Ch. 41 - Prob. 2DAACh. 41 - Prob. 3DAACh. 41 - Prob. 4DAACh. 41 - Sexual reproduction ___ . a. requires formation of...Ch. 41 - The ___ is a genetic dead end. a. polar body b....Ch. 41 - Prob. 3SQCh. 41 - Prob. 4SQCh. 41 - During a menstrual cycle, a midcycle surge of...Ch. 41 - Prob. 6SQ
Ch. 41 - Prob. 7SQCh. 41 - Male germ cells divide by meiosis inside the...Ch. 41 - A male attains an erection when ___ . a. muscles...Ch. 41 - Prob. 10SQCh. 41 - Prob. 11SQCh. 41 - Prob. 12SQCh. 41 - Match each disease with the type of organism that...Ch. 41 - Match each structure with its description. ____...Ch. 41 - Match each hormone with its source. ____ FSH and...Ch. 41 - Prob. 1CTCh. 41 - Fraternal twins are nonidentical siblings that...Ch. 41 - Some sperm mitochondria enter an egg during...Ch. 41 - Occasionally more than one sperm penetrates and...
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- Fusion of pronuclei occurs during ________.a. spermatogenesisb. ovulationc. fertilizationd. capacitationarrow_forwardBinding of a sperm to an oocyte plasma membrane causes the oocyte to______ . a. enter an oviduct c. secrete estrogen b. complete meiosis II d. expel its nucleusarrow_forwardTC ARO YOUT C Which of the following events does not occur in spermatogenesis? (Circle the correct answer.) a. Diploid germ cells divide by mitosis to form diploid spermatogonia. b. Some of these spermatogonia divide by mitosis, forming haploid primary spermatocytes. c. The primary spermatocyte enters meiosis I, forming two haploid secondary spermatocytes. d. Two secondary spermatocytes undergo meiosis II, forming four spermatids. e. Spermatids mature into haploid sperm cells. PAO 7 In humans, spermatogenesis occurs in the seminiferous tubules of the testes. (Circle the correct answer.) True False . In plants, (Circle the correct answer.) a. the life cycle is different from that of animals in that plants alternate between diploid and haploid forms plants, and male gametes are produced in the anthers of flowersarrow_forward
- Spermatogenesis takes place in the ________.a. prostate glandb. glans penisc. seminiferous tubulesd. ejaculatory ductarrow_forwardMatch the description with the term. A. Fallopian tube B. Endometrium c. Infundibulum v Storage site for sperm, hugs the posterior aspect of the testes. D Seminiferous tubules v Site of fetal development and growth vExternal sac, enclosed the testes E. Scrotum v Sperm production occurs within these slender, tightly coiled structures. F. Perimetrium v The portion of the uterus that is lost every month. G. Epididymis H. Uterus I. Prepuce J. Prostate glandarrow_forwardDuring gastrulation, cells from the _____ layer of the bilaminar germinal disc migrate and form the three primary germ layers. a. notochord b. hypoblast c. epiblast d. mesoblastarrow_forward
- PART I. MATCHING Match the structure with its function A. Contains erectile tissue F. Secretes a lubricant G. Secretes estrogen B. Encloses testes C. Nourishes spermatozoa H. Stores spermatozoa I. Transports ova J. Transports semen D. Produces testosterone E. Protective sheath 1. Clitoris 2. Epididymis 3. Interstitial cell 4. Ovarian follicle 5. Prepuce 6. Scrotum 7. Sustentacular cell 8. Urethra 9. Uterine Tube 10. Vestibular glandarrow_forwardOvary H&E 2. 5. _follicle 1. _cells 4. Stage of egg cell? _follicle 3. Stage of egg cell? 6. Membrana ASD TE Ovary H&E 7. Term applied to these follicular cells 9. Term for these follicular cells 10. 8. antrum oocytearrow_forwardForms the muscles A. Prostate gland B. Mesoderm C. The inner cell mass D. Bulbourethral glands E. Seminal vesiclesarrow_forward
- One day while walking across campus, you see a female butterfly laying fertilized eggs, as shown in the image: 1. What type of ovarioles would the adult female butterfly have (hint: remember the Order of butterflies)? a. Panoistic ovarioles b. Plasmatocytic ovarioles c. Polytrophic ovarioles d. Collaterial ovarioles e. Telotrophic ovarioles 2. Which combination of mechanisms would the butterfly use to supply vitellogenins/maternal mRNAs to the developing oocytes? a. Follicular epithelial cells/trophocytes contained within the follicle b. Apical cells of germarium/nutritive cords c. Follicular epithelial cells/nucleus of the oocyte d. Prefollicular tissue in germarium/trophoocytes that remain in germarium 3. Which statement is correct with respect to the hormonal regulation of the development of the ovaries and vitellogenesis in the adult female butterfly? (Hint: the processes are the same as in a female mosquito.) a.…arrow_forwardAlkaline secretion containing fructose A. Prostate gland B. Mesoderm C. The inner cell mass D. Bulbourethral glands E. Seminal vesiclesarrow_forwardWhich of these has the largest amount of DNA? a. Spermatogonial cells b. Primary spermatocyte c. Secondary spermmatocyte d. Sertoli cells e. First polar bodyarrow_forward
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