Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305544703
Author: STARR
Publisher: Cengage
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Chapter 41, Problem 10SQ
Summary Introduction
Concept introduction: Fertilization is the process where the male and female gametes unite to form the zygote, and thus the female gets conceived. Due to population explosion and to avoid unplanned pregnancy, contraception methods were introduced.
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Menopausea. develops when follicles become less responsive to FSH and LH.b. results from elevated estrogen levels in 40- to 50-year-old females.c. occurs because too many follicles develop during each cycle.d. results when follicles develop but contain no oocytes.e. occurs because FSH and LH levels decline.
2. a person is xy, has sry gene, is androgen insensitive, has male internal anatomy but female external anatomy. which of the following is caused by a lack of androgen receptors?
a. xy chromosomes
b. elevated plasma androgens
c. lack of uterus
d. presence of testes
Hormonal contraceptives (a) prevent ovulation (b) decrease estrogen concentration in the blood (c) are not as effective as barrier methods of contraception (d) decrease risk of STIs (e) a and b only
Chapter 41 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 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 - Prob. 5SQCh. 41 - Prob. 6SQCh. 41 - Male germ cells divide by meiosis inside the...Ch. 41 - Prob. 1DAACh. 41 - Prob. 2DAACh. 41 - Prob. 3DAA
Ch. 41 - Prob. 4DAACh. 41 - A male attains an erection when ___ . a. muscles...Ch. 41 - Prob. 9SQCh. 41 - Prob. 10SQCh. 41 - Prob. 11SQCh. 41 - Match each disease with the type of organism that...Ch. 41 - Prob. 13SQCh. 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...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Hermaphroditism (a) is a form of asexual reproduction (b) occurs when an unfertilized egg develops into an adult animal (c) is a form of sexual reproduction in which an animal produces both eggs and sperm (d) typically involves self-fertilization (e) typically requires only a male animalarrow_forwardDamage to the sustentacular cells of the testes could impair:a. FSH and LH production. c. oogenesis.b. production of estrogens. d. spermatogenesis.arrow_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_forward
- What could be the reason why a woman only gets her period after puberty begins? A) Before puberty, high quantities of of corpus luteum are present B) Before puberty, GnRH levels may be too low. C) Before puberty, their endometrial lining is too thick.arrow_forwardOestrogens are produced from androgens in the granulosa cells (GC) in the ovary. These androgens are derived from… a) The blood b) The interstitial (theca) cells c) Granulosa cells d) The oocytearrow_forward1.This will stimulate the ovary to start the development of an egg cell and the secretion of estrogen. A. Follicle-stimulating hormone (FSH) B. Gonadotropin-releasing hormone (GnRH) C. Luteinizing hormone (LH) D. Prolactin 2. Which of the following is the negative feedback effect of ovaries losing sensitivity to FSH and LH? A. higher fertility rate B. an increase in production of estrogen. C. irregular cycle of ovulation and menstruation D. increase follicular development and ovulation.arrow_forward
- Development of normal female internal and external genitalia requiresa. Müllerian-inhibiting substance.b. expression of the SRY gene.c. insensitivity to circulating testosterone.d. complete absence of testosterone.e. absence of a Y chromosome.arrow_forwardThe vessels marked in the diagram below, (A) function to decrease the temperature of blood flowing into the testis (B) are derived from the testicular vein (C) carries blood with a higher level of testosterone than LH or FSH (D) A and B (E) B and C (F) all of the abovearrow_forward1. it controls the processes in the reproductive system a. ovary b. pituitary c. corpus luteum d. folliclearrow_forward
- If a child develops an anterior pituitary tumour that reduces LH and FSH production,the child will _________.A. not develop gonads.B. experience delayed or disrupted puberty.C. produce excess testosterone or estrogen.D. develop secondary sexual characteristics before puberty.arrow_forwardIn men, LH (luteinizing hormone) stimulates ... a) ... spermatogenesis. b) ... the development of the sperm ducts. c) ... the production of testosterone.arrow_forwardChlamydia is a common STI. If left untreated it can cause infertility in females because: Select one: a. The infection damages the fallopian tubes and uterus b. The infection prevents release of GnRH c. The infection damages the testes d. The infection causes ear infectionsarrow_forward
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