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 8TYK
In the human sperm:
a. there must be one chromosome of each type, except for the sexchromosomes, where either an X or a Y chromosome is present.
b. a chromosome must be represented from each parent.
c. there must be an unequal number of chromosomes from both parents.
d. there must be representation of chromosomes from only one parent.
e. there is the possibility of 246 different combinations ofmaternal and paternal chromosomes.
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a. If a set of chromosomes is one copy of each kind of chromosome, how many sets are in a human sperm_____. How many chromosomes are in a human sperm____.
b. How many sets of chromosomes are in a human egg_____. How many chromosomes are in a human egg_____.
c. Why is there such a different in size and number of sperm cells in the testes compared to the number of oocytes in the ovaries ?
2) A. Explain how polyribosomes form.
B. Why might you expect the insertion of 3 DNA base pairs to be less disruptive than th
deletion of a single base pair?
C. Compare and contrast mitosis and meiosis with respect to their genetic outcomes?
D. What are the possible consequences of non-disjunction during cell division?
E. How does meiosis increase genetic diversity in populations?
Which of the following statements are True? There may be more than one answer.
Select one or more:
a. Mitosis results in 2 haploid cells
O b. If a parent cell with 10 chromosomes undergoes mitosis, each offspring cell will have 10 chromosomes
O c. At the start of meiosis, a human cell will have 46 chromosomes and 92 chromatids
d. The purpose of mitosis is the production of gametes
e. In Meiosis, crossing over occurs during Meiosis II
f. Meiosis only occurs in the testes and ovaries
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
- An individual can have an abnormal number of chromosomes as a result of nondisjunction. Identify the following example of nondisjunction that results in an abnormal number of chromosomes. A. Sister chromatids do not separate in meiosis II. B. Homologous chromosomes move apart appropriately during meiosis I. C. Mitosis occurs normally during embryonic development. D. Two normal gametes fuse during fertilization.arrow_forwardIn this image of the human karyotype: A. The sister chromatids have separated B. There are 46 pairs of chromosomes C. The DNA has already been replicated D. There are 23 pairs of autosomes E. None are true.arrow_forwarda. What is the diploid number of chromosomes for a human? b. What is the haploid number of chromosomes for a human? Which cells are considered diploid, gametes or somatic cells? C. d. Which cells are considered haploid, gametes or somatic cells?arrow_forward
- Which of the following statements regarding the Y chromosome in mammals is TRUE?A. The Y chromosome is less than half the size of the X chromosome.B.Y chromosomes are most often present in egg cells and are not found in sperm cells. C.Most female mammals have one Y chromosome. D. The Y chromosome contains no protein-coding genes.arrow_forwardIn 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_forwardWhich of the following is a TRUE statement regarding the outcome of meiosis? A. In meiosis, one diploid cell (2n) can produce 2 haploid cells in males (1n). B. In meiosis, four haploid cells (1n) can produce 2 diploid cells (2n) in males. C. In meiosis, one diploid cell (2n) can produce up to 4 haploid cells (1n) in males. D. In meiosis, one diploid cell (2n) can produce 2 diploid cells (2n) in females.arrow_forward
- One day while walking across campus, you see a female butterfly laying fertilized eggs, as shown in the image: 1. The adult butterfly is: a. Viviparous b. Ovoviviparous c. Oviparous d. None of these 2. Gender in the butterfly’s offspring will be determined by: a. Sex chromosomes, in which XX is female XY is male b. A single sex chromosome, in which XX is female and XO is male c. Haplodiploidy, in which an unfertilized egg develops into a female through ameiotic parthenogenesis. d. Hermaproditism e. c and d f. None of these 3. In the development of the butterfly, it has: a. A vermiform larva and a coarctate pupa that develops inside a puparium b. A eucephalus larva and an exarate pupa that develops inside an ootheca c. An eruciform larva and an obtect pupa that develops inside a chrysalis d. A scarabeiform larva and a eucephalus pupa that develops inside a cocoon of silk.arrow_forwardWhich of the following is a FALSE statement regarding human chromosomes? A. The chromosome number in humans is 2n=46. B. Gametes have half number of the chromosomes as in somatic cells. C. There are 22 pairs of autosomes and 2 sex chromosomes. D. Liver cells can be polyploids. They can have 23, 46, 69 or 92 chromosomes.arrow_forwardA woman with normal chromosomes mates with a man who also has normal chromosomes. a. Suppose that, in the course of oogenesis, the woman’s sex chromosomes undergo nondisjunction in meiosis I; the man’s chromosomes separate normally. Give all possible combinations of sex chromosomes that this couple’s children might inherit and the number of Barr bodies that you would expect to see in each of the cells of each child. b. What chromosome combinations and numbers of Barr bodies would you expect to see if the chromosomes separate normally in oogenesis, but nondisjunction of the sex chromosomes takes place in meiosis I of spermatogenesis?arrow_forward
- The process of mitotic recombination involves the a. exchange of chromosomal regions between homologsduring gamete formation.b. exchange of chromosomal regions between homologsduring the division of somatic cells.c. reassortment of alleles that occurs at fertilization.d. reassortment of alleles that occurs during gameteformation.arrow_forwardDuring meiosis in male mammals, sex chromosomes segregate to produce two types of sperm: X‑bearing sperm and Y‑bearing sperm. True or false?arrow_forwardDuring the observation of a baby the diagnosis of Down's syndrome was made. What is the main cause of this pathology? Select one: a. Trisomy on the 13-th chromosome. b. Trisomy on the 21-st chromosome. c. Trisomy on X chromosome. d. Monosomy on the 1-st chromosome. O e. Undivergence of sex chromosomes.arrow_forward
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genetic recombination strategies of bacteria CONJUGATION, TRANSDUCTION AND TRANSFORMATION; Author: Scientist Cindy;https://www.youtube.com/watch?v=_Va8FZJEl9A;License: Standard youtube license