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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Chapter 14, Problem 2TY
Summary Introduction
Introduction:
In multicellular organisms, the cells can be either haploid or diploid. Diploid cells have two sets of homologous chromosomes and the haploid cells have a single set of chromosomes. These types of cells are formed by the parent cells, and hence, found diploid in nature.
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What are homologous chromosomes?
chromosomes that are present in the same cells.
chromosomes that are linked together by a centromere.
chromosomes that are identical to each other in DNA sequence.
chromosomes that are similar in their size, shape, and gene content.
chromosomes that are present within the same species.
Which of the following statement is correct about chromosome?
options:
Chromosomes are present as pairs of homologous chromosomes
Chromosomes are divided equally between the two daughter cells during cell division
Chromosomes are doubled prior to cell division
All of the above
Which of the definitions below most accurately describes a chromosome?
Group of answer choices
1. Proteins that give an organism certain characteristics
2. All of the DNA found in a cell
3. One piece of DNA with proteins associated with it
4. None of the above
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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- Which of these items have the same exact Genetic information/ Nucleotide Sequence. a. Chromosome 1 from mom and chromosome 1 from dad. b. Homologous chromosomes c. Sister chromatids d. All of the abovearrow_forward“All organisms have a constant chromosome number. The chromosomes’ sizes vary. If by chance the two sentences are not found in the organisms, what will happen? Answer must not exceed in 30 words.arrow_forwardWhat is a chromosome? A structure that consists of tightly bundled DNA together with associated proteins The two attached DNA molecules of a duplicated eukaryotic chromosome A constricted region where sister chromatids attach to each other in a duplicated eukaryotic chromosome A type of protein that associates with eukaryotic DNA and structurally organizes chromosomesarrow_forward
- The karyotype consists of the number and structure of the chromosomes.How do changes in the karyotype evolve?arrow_forwardIs it possible to discern among human chromosomes at the DNA sequence level? 1. Yes 2. Noarrow_forwardchromosome loss resultsin mosaics; that is, organisms with some normal cellsand some _______ cells.arrow_forward
- In which of the following ways do polytene chromosomes differ from other chromosomes? Polytene chromosomes are multiple copies of identical single-stranded DNA. Polytene chromosomes can only be found in bacteria. Polytene chromosomes are replicated but not separated. Polytene chromosomes are fully condensed DNA. Polytene chromosomes represent uncoiled versions of meiotic chromosomes.arrow_forwardA chromosome territory is a region along a chromosome where many genes are clustered. along a chromosome where the nucleosomes are close together. in a cell nucleus where a single chromosome is located. in a cell nucleus where multiple chromosomes are located.arrow_forwardWhat is the relationship between DNA, a gene, and a chromosome? Group of answer choices A chromosome consists of one double-stranded DNA molecule and is a single gene. A double-stranded DNA molecule contains many chromosomes, each chromosome being the same as a gene. A double-stranded DNA molecule contains many genes and many chromosomes. A chromosome consists of many double-stranded DNA molecules and contains many genes. A chromosome consists of one double-stranded DNA molecule and contains many genes.arrow_forward
- Which of these statements is false ? Homologous chromosomes are identical in size and shape. Homologous chromosome differ in gene loci Homologous chromosomes are separated during meiosis Homologous chromosomes contain different alleles same genearrow_forwardWhich of the following is characteristics of an acrocentric chromosome?1.centromere is closer to one end of the chromosome producing one long arm and one short arm 2. There is more than one centromere 3. Centromere is the center of the chromosome 4.centromere is at the very end of the chromosomearrow_forwardCompare and contrast the following terms: a. Eukaryotic and prokaryotic cells b. Gene and allele c. Genotype and phenotype d. DNA and RNA e. DNA and chromosomearrow_forward
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