Biology
11th Edition
ISBN: 9781259188138
Author: Peter H Raven, George B Johnson Professor, Kenneth A. Mason Dr. Ph.D., Jonathan Losos Dr., Susan Singer
Publisher: McGraw-Hill Education
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Chapter 52, Problem 3U
Summary Introduction
Introduction:
The biological process of the formation of an offspring from their parents is known as reproduction. An organism with two haploid sets of chromosomes from both the parents is known as a diploid organism. The diploid number in humans is
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Which of the following is a gamete?
Group of answer choices
A. muscle cell
B. red blood cell
C. sperm cell
D. nerve cell
E. epithelial cell
After fertilisation, the resulting cell which gives rise to a new individual is the:
(a) embryo
(b) ovum
(c) foetus
(d) zygote
Which of the following stages of the fertilization process stimulates completion of meiosis II in the oocyte’s nucleus?
A. The sperm nucleus and egg nucleus combine to form the genetic material of the zygote
B. Sperm release enzymes to digest the protein layer of the secondary oocyte
C. The entry of a sperm into the secondary oocyte
D. The swimming of sperm from the vagina, through the uterus, and up to an oviduct
Chapter 52 Solutions
Biology
Ch. 52 - You have discovered a new organism living in tide...Ch. 52 - Prob. 2UCh. 52 - Prob. 3UCh. 52 - Which of the following structures is the site of...Ch. 52 - FSH and LH are produced by the a. ovaries. b....Ch. 52 - Prob. 6UCh. 52 - Mutations that affect proteins in the acrosome...Ch. 52 - In humans, fertilization occurs in the____, and...Ch. 52 - The testicles of male mammals are suspended in the...Ch. 52 - Prob. 1A
Ch. 52 - Which of the following is a major difference...Ch. 52 - Prob. 3ACh. 52 - Internal and external fertilization differ in that...Ch. 52 - Prob. 1SCh. 52 - Why do you think that amphibians and many fish...Ch. 52 - How are the functions of FSH and LH similar in...Ch. 52 - Prob. 4SCh. 52 - Why are all parthenogenic parents female?
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- Which of the following is a major difference between spermatogenesis and oogenesis? a. Spermatogenesis involves meiosis, and oogenesis involves mitosis. b. Spermatogenesis is continuous, but oogenesis is variable. c. Spermatogenesis produces fewer gametes per precursor cell than oogenesis. d. All of these are significant differences between oogenesis and spermatogenesis.arrow_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_forwardWhich cell contributes the necessary nutrition to the growing zygote? a a polar body b the egg cell c a spermatocyte d the sperm cellarrow_forward
- In females, meiosis is not completed (a) until birth. (b) until puberty. (c) until fertilization occurs. (d) until ovulation occurs.arrow_forwardWhich of the following structure is controlling the rate of spermatogenesis? a.Sertoli cells b.Leydig cells c.Spermatogonium d.Spermatidsarrow_forwardWhich of the following cells is haploid? (a) primary oocyte (b) secondary oocyte (c) oogonium (d) cells of the corpus luteum (e) follicle cellarrow_forward
- Choose the best of the following The fusion of a sperm and an egg cell initally produces which of thefollowing? a. blastocyst c. zygoteb. gamete d. stem cellarrow_forwardIn human beings, after fertilisation, the structure which gets embedded in the wall of uterus is: (a) ovum (b) embryo (c) foetus (d) zygotearrow_forwardWhich of the following is part of the male reproductive system only?______________ A. bartolin glands B. ovaries C. uterus D. seminal vesiclesarrow_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_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_forwardAn individual who is XY but is missing the SRY gene would be expected to develop into a. a male. b. a female. c. a hermaphrodite. d. none of the above because sex differentiation would not occur.arrow_forward
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