Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 11, Problem 2TYK
Which of the following is not associated with sperm production?
a. daughter cells identical to the parent cell
b. variety in resulting cells
c. chromosome number halved in resulting cells
d. four daughter cells arising from one parent cell
e. 23 chromosomes in the human sperm
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Which of the following correctly describes the gametes that will form as a result of nondisjunction during anaphase II in a human male?
a. Two sperm with 24 chromosomes and two sperm with 22 chromosomes
b. Two sperm with 23 chromosomes, one sperm with 22 chromosomes, and one sperm with 24 chromosomes
c. Four sperm with 24 chromosomes
d. Four sperm with 22 chromosomes
The result of spermatogenesis is:
A. 4 viable haploid spermatids
B. 1 viable haploid spermatid and 3 haploid polar bodies
C. 4 Viable diploid spermatids
D. 1 viable diploid spermatids and 3 diploid polar bodies
The diagram in Figure 1 shows a section through the mammalian testis. With reference to this diagram answer the following questions:
FIGURE 1
(a) What percentage of each of the following types of cells would you expect to contain an X chromosome.
Give a REASON for your answer in each case.
i) type cell A
ii) type cell B
(b)Name the cell type labelled B which under goes mitosis.
State the importance of mitosis in a mature testis.
Chapter 11 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 11.1 - How does the outcome to meiosis differ from that...Ch. 11.1 - Prob. 2SBCh. 11.1 - Prob. 3SBCh. 11.2 - Prob. 1SBCh. 11.2 - Consider an animal with six pairs of chromosomes;...Ch. 11.3 - Prob. 1SBCh. 11 - The chromosome constitution number of this...Ch. 11 - Which of the following is not associated with...Ch. 11 - Chiasmata: a. form during metaphase II of meiosis....Ch. 11 - If 2n is four, the number of possible combinations...
Ch. 11 - Prob. 5TYKCh. 11 - The DNA content in a diploid cell in G2 is X. If...Ch. 11 - Metaphase in mitosis is similar to what stage in...Ch. 11 - In the human sperm: a. there must be one...Ch. 11 - In plants, the adult diploid individuals are...Ch. 11 - Prob. 10TYKCh. 11 - Discuss Concepts You have a technique that allows...Ch. 11 - Discuss Concepts One of the human chromosome pairs...Ch. 11 - Prob. 13TYKCh. 11 - Prob. 14TYKCh. 11 - Prob. 15TYKCh. 11 - Prob. 1ITDCh. 11 - Prob. 2ITD
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- In humans, how many functional gametes are produced by spermatogenesis and oogenesis? Select one: a. Spermatogenesis Oogenesis One Four b. Spermatogenesis Oogenesis Four One c. Spermatogenesis Oogenesis Four Four d. Spermatogenesis Oogenesis One Onearrow_forwardWhich 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 oviductarrow_forwardwhich As a result of the abnormalities in chromosomes divergence in meiosis, there was formed the secondary oocyte, included 22 autosomes only. What disease can the baby have, after impregnation of this secondary oocyte by the normal spermatozoon? Select one: a. Klinfelter's syndrome b. Turner's syndrome c. Trisomy on the X-chromosome d. Down's syndrome e. Edward's syndromearrow_forward
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