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 final outcome of meiosis in the ovaries results in:
a. Three functional gametes
b. the formation of two identical daughter cells
c. two functional gametes
d. four functional gametes
e. one functional gamete
Which of the following is UNTRUE with regards to human gametes and their production:
A. Female gametes complete Meiosis II only after fertilization
B. Polar bodies are the result of asymmetric cytokinesis
C. Fetal oocytes are arrested in metaphase II
D. Cells fated to become eggs and sperm undergo both mitosis and meiosis
E. Meiosis in male yields 4 haploid products
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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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
- In 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_forwardAn individual has the chromosomal makeup XX and sexual differentiation proceeds normally. Which of the following would be the case? a. Mullerian ducts will degenerate b. Estrogen promotes development of the vagina c. Anti-Mullerian hormone is present d. Wolffian ducts will develop e. There will be no formation of fetal testesarrow_forwardThe 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.arrow_forward
- In humans:a. How many sperm develop from 100 primaryspermatocytes?b. How many sperm develop from 100 secondaryspermatocytes?c. How many sperm develop from 100 spermatids?d. How many ova develop from 100 primary oocytes?e. How many ova develop from 100 secondaryoocytes?f. How many ova develop from 100 polar bodies?arrow_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_forwarda. What phase of meiosis is this cell undergoing? b. Identify the 3 things that are incorrect in terms of this cells structure and organization? c. Would this cell produce viable gametes? Why or why not.arrow_forward
- 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_forwardDuring which of the following meiotic stages determines which combination of parental chromosomes will end up in each gamete. a. Prophase I b. Metaphase I + Anaphase I c. Prophase II d. Metaphase + Anaphase II e. Telophasearrow_forward
- Most sexual organisms are either male or female though some are hermaphroditic. In human beings and Drosophila (fruitfly), the sex of an individual is determined by the kind of sex chromosomes they possess. Males have two types of chromosomes, a big chromosome X and a small chromosome Y while females have only one kind, 2X or XX. The X and Y chromosomes segregate during the formation of mature spermatozoa (sprematogenesis) so that a mature sperm contains only either X or Y. What is the probability of getting an X-bearing sperm? A Y-bearing sperm? How many kinds of ova as to the kind of sex chromosome present can be produced? Determine the probability of getting a boy or girl. Show your calculations.arrow_forwardMost sexual organisms are either male or female though some are hermaphroditic. In human beings and Drosophila (fruitfly), the sex of an individual is determined by the kind of sex chromosomes they possess. Males have two types of chromosomes, a big chromosome X and a small chromosome Y while females have only one kind, 2X or XX. The X and Y chromosomes segregate during the formation of mature spermatozoa (sprematogenesis) so that a mature sperm contains only either X or Y. What is the probability of getting an X-bearing sperm? A Y-bearing sperm? How many kinds of ova as to the kind of sex chromosome present can be produce? Determine the probability of getting a boy or girl. Show your calculations.arrow_forwardWhy is a second polar body expelled after fertilisation (select one) a. The oocyte must recativate the incomplete meiosis before fusing with the sperm b. To remove excess cytoplasm 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
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