Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 51, Problem 4TY
Summary Introduction
Introduction: Fertilization is the process in which two different gametes, one male and other female, fuse together to produce an undifferentiated diploid cell called zygote. Fertilization can be of two types internal and external. The internal fertilization takes place inside the body of the female and the external fertilization takes place outside the body of the mother.
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Which of the following correctly describes hermaphroditism?
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It is an example of sexual reproduction because it involves a male and a female.
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It is an example of asexual reproduction because only one individual needs to be involved.
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It is an example of sexual reproduction because it involves fusion of two gametes.
D.
It is an example of asexual reproduction because the offspring are genetically identical to the parent.
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Chapter 51 Solutions
Biology
Ch. 51.1 - CoreSKILL How did Paland and Lynch test the...Ch. 51.1 - CoreSKILL Approximately how many times more often...Ch. 51.1 - Prob. 3EQCh. 51.3 - Prob. 1CSCh. 51.4 - Prob. 1CSCh. 51.4 - Prob. 2CSCh. 51.4 - Prob. 1CCCh. 51 - Prob. 1TYCh. 51 - Which is considered an advantage of sexual...Ch. 51 - Prob. 3TY
Ch. 51 - Prob. 4TYCh. 51 - Prob. 5TYCh. 51 - Prob. 6TYCh. 51 - A major function of FSH is to a. stimulate the...Ch. 51 - During the human ovarian cycle, ovulation is...Ch. 51 - Prob. 9TYCh. 51 - Prob. 10TYCh. 51 - Prob. 1CQCh. 51 - Prob. 2CQCh. 51 - Prob. 3CQCh. 51 - Prob. 1COQCh. 51 - Describe the events of the ovarian and uterine...
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- After fertilization, the successful development of a mature, full-termfetus depends ona. the release of human chorionic gonadotropin (hCG) by the developing placenta.b. the production of estrogen and progesterone by the placental tissues.c. maintenance of the corpus luteum for all 9 months.d. Both a and b are correct.e. All of these are correct.arrow_forwardInternal and external fertilization differ in that species thata. produce an amniotic egg have internal fertilization.b. without an amniotic egg have external fertilization.c. produce live young have mammary glands.d. lay eggs are external fertilizersarrow_forwardThe following characteristics are true of the male gamete sperm except:A. lifespan: 72 hours B. with 23 chromosomes, 22 autosomes and a Y sex chromosome C. produced by the testes D. has 2 types: androsperm carries the Y-sex chromosome and the gynosperm which carries the X-sex chromosome Provide explanation.arrow_forward
- Fertilization A. Occurs within 12-24 hours after ovulation. B. Occurs in the uterus. C. Detected by human chorionic gonadotropin or HCG. D. A, B E. A, B, Carrow_forwardWithout the motility of this structure in the female reproductive system, the ovulated egg would not make it to the fallopian tube. a. Corpus luteum b. Antrum c. Fimbrae d. Placenta e. Cervixarrow_forwardA chemical that prevents acrosomal proteins from interacting with proteins on the egg membrane would have which of the following immediate effects (i.e. which would happen first)? Group of answer choices A. Prevention of the fast block B.) Prevention of sperm recognition C.) Explosion of the egg into millions of tiny pieces D. Prevention of polyspermy E. Prevention of the slow blockarrow_forward
- Which of the following is a cause of cryptorchidism? Select one: A. Testicular cancer B. Infertility C. Prostatitis D. Short spermatic cord E. High serum testosterone O O O O Oarrow_forwardWhich 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_forwardGastrulation... A. Is a specialized form of cell division that partitions the cytoplasm of a fertilized egg B. Refers to the fusion of haploid gametes to give a diploid zygote C. Produces an embryo with either two or three distinct cell layers D. Is a developmental stage consisting of a cell layer surrounding a fluid-filled space E. None of the abovearrow_forward
- How do tubal ligations and vasectomies prevent further pregnancies? Select one: a. The corpus luteum and the epididymis are suppressed using a chemical swab. The fertilized egg could no longer implant in the endometrium. b. The Fallopian tubes and vas deferens are cut and tied off, thereby preventing the movement of the eggs and sperm. c. The Fallopian tubes and the vas deferens are cut. Eggs and sperm can no longer be produced. d. The Fallopian tube and vas deferens are cut and tied off, thereby reducing needed reproductive hormone levels.arrow_forwardDIRECTION: Study the diagram below. Then, answer the analysis questions that follow. 3 HYPOTHALAMUS GNRH 1) 2. ANTERIOR PITUITARY ) Hormone 1 Hormone 2 (rising) (low) (surge due to • loop) Growing Follicie "OVULATION" ORGAN A Corpus Luteum (rising) Lthish) Hormone 3 (high) (high) Hormone 4 LEGEND Inhibits --- ORGAN B Stimulates Endometrium thickens "E is not fertilized" "Egg is fertilized" EVENTI EVENT II 3. ---arrow_forwardHow can PID (pelvic inflammatory disease) lead to infertility in women? Select one: a. PID can lead to scar tissue developing on the Fallopian tube. This prevents the egg and the sperm from meeting, causing infertility. b. PID prevents the endometrium from forming. There is not enough material for the fertilized egg to implant itself. c. PID leads to scar tissue on the corpus luteum. This disrupts ovulation. d. PID affects the cervix. This causes the cervix to swell, decreasing the chance a sperm could pass into the uterus.arrow_forward
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