Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 14.1, Problem 1TYK
A cell that is diploid has
- two chromosomes.
- pairs of homologous chromosomes.
- two sets of chromosomes.
- both b and c.
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A cell whose diploid number of chromosomes is 22 undergoes mitosis. Which of the following are true of the resulting cells? (Choose all correct answers)
Group of answer choices
they have 22 chromosomes
they have 11 pairs of chromosomes
they have 11 chromosomes
they have 22 pairs of chromosomes
Which of the following events takes place in meiosis but not in mitosis?
Breakdown of the nuclear envelop
Condensation of chromosomes
Separation of homologous chromosomes
Separation of chromatids
Cytokinesis
A cell has 24 as its diploid number. At the end of Mitosis, this cell will split into how many daughter cell with how many chromosomes in each?
Select one:
a. 4, 12
b. 4, 24
c. 2, 24
d. 2, 12
Chapter 14 Solutions
Principles of Biology
Ch. 14.1 - Researchers usually treat cells with drugs that...Ch. 14.1 - Researchers usually treat cells with drugs that...Ch. 14.1 - Refer back to Figure 13.13. How do checkpoint...Ch. 14.1 - A cell that is diploid has two chromosomes. pairs...Ch. 14.1 - In eukaryotes, DNA replication produces sister...Ch. 14.1 - Prob. 3TYKCh. 14.2 - Refer back to the karyotype in Figure 14.1. In...Ch. 14.2 - What are the functions of the three types of...Ch. 14.2 - Prob. 1TYKCh. 14.2 - Prob. 2TYK
Ch. 14.2 - Sister chromatids separate from each other during...Ch. 14.2 - With regard to chromosome composition, how does...Ch. 14.3 - Prob. 1CCCh. 14.3 - Prob. 2CCCh. 14.3 - What is the main reason for meiosis in animals?...Ch. 14.3 - In meiosis I, crossing over occurs during...Ch. 14.3 - Prob. 2TYKCh. 14.3 - Prob. 3TYKCh. 14.4 - Prob. 1CCCh. 14.4 - A chromosome in which the telomere is at one end...Ch. 14.4 - Prob. 2TYKCh. 14.4 - Prob. 3TYKCh. 14 - Prob. 1TYCh. 14 - Prob. 2TYCh. 14 - Checkpoints during the cell cycle are important...Ch. 14 - Prob. 4TYCh. 14 - Prob. 5TYCh. 14 - Prob. 6TYCh. 14 - Prob. 7TYCh. 14 - Prob. 8TYCh. 14 - Prob. 9TYCh. 14 - Prob. 10TYCh. 14 - Distinguish between homologous chromosomes and...Ch. 14 - The Oca2 gene, which influences eye color in...Ch. 14 - PRINCIPLES A principle of biology is that cells...Ch. 14 - Why is it necessary for chromosomes to condense...
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- In the cell cycle, at which stages do two chromatids make up one chromosome? a. beginning of mitosis b. end of G1 c. beginning of S d. end of mitosis e. beginning of G2arrow_forwardWhat defines a diploid cell? A cell with four sets of chromosomes A cell with two sets of chromosomes A cell with three sets of chromosomes A cell with one set of chromosomes Submitarrow_forwardThe cell cycle results in the production of ______. four cells, each with the same amount of genetic material but with different genetic information two cells, each with the same amount of genetic material and the same genetic information four cells, each with the same amount of genetic material and the same genetic information two cells, each with the same amount of genetic material but with different genetic informationarrow_forward
- In a tabular form, differentiate mitosis and meiosis using the following criteria: Chromosome number of daughter cells Stages Synapsis Crossing over Cell type Number of cells formed Genetic consequencesarrow_forwardHow is meiosis similar to mitosis? Both involve two divisions of a cell. Both occur in somatic cells. Both produce two daughter cells. Both are forms of cell reproductionarrow_forwardWhich cell replicates via meiosis? red blood cell skin cell heart cell sperm cellarrow_forward
- Compare and contrast mitosis and meiosis. Give at least 4 similarities and/or differences Similarities: 1. _________ 2. _________ Differences: 1. _______ 2. ________arrow_forwardWhich of the following are functions of mitosis? (select all that apply) asexual reproduction formation of gametes (sex cells) development growth tissue repairarrow_forwardThe constancy of the chromosomes number from one cell generation to the next is maintained through ..... Dna synthesis Mitosis Cytokinesis Meiosisarrow_forward
- Human sperm or egg cells contain one set of chromosomes which is a configuration known as __________ or ________. Group of answer choices diploid, n diploid, 2n haploid, 2n haploid, narrow_forwardWhich of the following is mismatched? M stage - mitosis and cytokinesis G 2 stage - metabolic preparation for mitosis interphase - shortest stage of the cell cycle G 1 stage - cell grows in size and cell organelles increase in number S stage - DNA synthesisarrow_forwardWhich of the following scenarios accurately describes the actions occurring during the S phase? Group of answer choices The chromosome number is halved in preparation for cell division. The cell enlarges, proteins are increased and organelles are duplicated. Cell reaches maximum size and adds more proteins. Each chromosome is duplicated; each chromosome results in two sister chromatids attached at a centromere.arrow_forward
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