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 9SQ
Summary Introduction
Concept introduction: Fertilization is the process where the male and female gametes unite to form the zygote. The sperm and egg, the male and female gametes respectively, have only haploid number of chromosomes. Binding of sperm to egg causes several changes in the egg.
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Binding 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 nucleus
After ovulation, the secondary oocyte enters the (a) oviduct (b) corpus luteum (c) cervix (d) ovary (e) vagina
Sperm cells originally come from a diploid cell called a…
Group of answer choices
A. secondary oocyte
B. primary spermatocyte
C. gonadal cell
D. acrosome
E. seminiferous cell
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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- Figure 18.12 Which of the following statements about the male reproductive system is false? a. The vas deferens carries sperm from the testes to the seminal vesicles. b. The ejaculatory duct joins the urethra. c. Both the prostate and the bulbourethral glands produce components of the semen. d. The prostate gland is located in the testes.arrow_forwardIn females, meiosis is not completed (a) until birth. (b) until puberty. (c) until fertilization occurs. (d) until ovulation occurs.arrow_forward1. If there are around 200M point spermatozoa in the seminal fluid, estimate how many spermatocytes was present during spermatocytogenesis? A. 50 spermatocytes B. 100 spermatocytes C. 150 spermatocytes D. 200 spermatocytes 2. Five spermatocyte can give rise to A. 5 spermatozoa B. 10 spermatozoa C. 15 spermatozoa D. 20 spermatozoaarrow_forward
- During oogenesis the cell that is fertilized by a sperm to become an egg is: A primary spermatocyte B secondary oocyte C primary oocyte D secondary spermatocytearrow_forwardIn a possible future scenario, male fertility drops to zero, but, luckily, scientists develop a way for women to pro-duce babies by virgin birth. Meiocytes are converted di-rectly (without undergoing meiosis) into zygotes, which implant in the usual way. What would be the short- andlong-term effects in such a society?arrow_forwardDamage to the sustentacular cells of the testes could impair:a. FSH and LH production. c. oogenesis.b. production of estrogens. d. spermatogenesis.arrow_forward
- Which of these has the largest amount of DNA? a. Spermatogonial cells b. Primary spermatocyte c. Secondary spermmatocyte d. Sertoli cells e. First polar bodyarrow_forwardForms the muscles A. Prostate gland B. Mesoderm C. The inner cell mass D. Bulbourethral glands E. Seminal vesiclesarrow_forwardWhy is a second polar body expelled after fertilisation? a) To remove excess cytoplasm b) Because the oocyte must reactivate the incomplete meiosis before fusing with the sperm c) Before fusion with the sperm it must complete mitosis d) The fertilised oocyte is not a haploid cell until it expels the sperms mitochondriaarrow_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_forwardAt puberty, the testes contain a finite number of cells and producean enormous number of sperm cells during the life span of a male.Explain why testes do not run out of spermatogonial cellsarrow_forwardWhich one is not a product of Meiosis I in gametogenesis?* A.Secondary oocyte B.First polar body C.Secondary spermatocyte D.Second polar bodyarrow_forward
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