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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Question
Chapter 18, Problem 9TY
Summary Introduction
Introduction:
Genes are the basic functional and physical unit of heredity. The genes make up the genetic makeup of an individual, which is responsible for the development of the whole organism and its traits.
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Which of the following are true statements about the human genome?
(Select ALL that are true)
The human genome contains 23 pairs of chromosomes
The human genome is one circular chromosome
The human genome contains about 100,000 genes
The human genome contains about 20,000-25,000 genes
Which of the following best describes the relationship between DNA, genes, and chromosomes?
a- Genes are pieces of DNA. Chromosomes are genes held together by centromeres.
b- Genes are made of DNA and chromosomes.
c- Chromosomes are made of DNA. Multiple chromosomes are found in a single gene
d- A chromosome is single molecule of DNA. A gene is a specific region of DNA on a chromosome.
Genes that are duplicated within a genome and later diverge in function, such as the RNASE1 and
RNASE1B genes in a species of monkeys, are described as
-Derived genes
-ancestral genes
-orthologous genes
-paralogous genes
Chapter 18 Solutions
Principles of Biology
Ch. 18.1 - In the procedure shown in this figure, has the...Ch. 18.1 - Refer back to Figure 9.16. Why are primers needed...Ch. 18.1 - Prob. 2CCCh. 18.1 - Prob. 3CCCh. 18.1 - Prob. 4CCCh. 18.1 - Prob. 2BCCh. 18.1 - Prob. 1TYKCh. 18.1 - Prob. 2TYKCh. 18.1 - Prob. 3TYKCh. 18.2 - Prob. 1CC
Ch. 18.2 - Prob. 2CCCh. 18.2 - Prob. 1TYKCh. 18.2 - Prob. 2TYKCh. 18.2 - Prob. 3CCCh. 18.3 - Prob. 1TYKCh. 18.4 - Prob. 1CCCh. 18.4 - Prob. 1BCCh. 18.4 - The sizes of eukaryotic genomes vary because more...Ch. 18.4 - The members of a gene family are called paralogs....Ch. 18.5 - Prob. 1CCCh. 18.5 - Based on their mechanism of movement, which type...Ch. 18.5 - Prob. 1TYKCh. 18.5 - A segment of DNA that moves via an RNA...Ch. 18 - Prob. 1TYCh. 18 - Prob. 2TYCh. 18 - Lets suppose you followed the protocols described...Ch. 18 - Prob. 4TYCh. 18 - Lets suppose you want to clone a gene that has...Ch. 18 - In the CRISPR-Cas technology used for mutating...Ch. 18 - Prob. 7TYCh. 18 - Prob. 8TYCh. 18 - Prob. 9TYCh. 18 - Prob. 10TYCh. 18 - Draw the structure of a dideoxyribonucleotide...Ch. 18 - Prob. 2CCQCh. 18 - Prob. 3CCQCh. 18 - Identify and discuss three important advances that...Ch. 18 - Prob. 2CBQ
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- Variations in genomic sequence across multiple positions (such as different substitutions) that occur together in an individual are grouped as: Group of answer choices CNVs SNPs Genetic Maps Haplotypesarrow_forwardProteins that share significant amino acid similarity are called ______. ________ are related proteins from different species that likely to do the same function. ________ are similar proteins that arise by duplication events within the same species. paralogs; orthologs; homologs orthologs; homologs; paralogs homologs; orthologs; paralogs orthologs; paralogs; homologsarrow_forwardWhich of the following statements about the pseudogene is correct? -Pseudogene is derived from a functional gene but has lost its function due to mutation. -Pseudogenes usually have higher rates of evolution than their counterpart functional genes. -Most mutations in a pseudogenes are neutral mutations. -All of the abovearrow_forward
- Which of the following is NOT true about the agouti gene? -methylated gene results in a brown coat -different amount of methylation result in different fur pigmentation -diet supplement can influence methylation -the gene can be methylated and unmethylated during an individual's lifearrow_forwardWhich of the following is not a commonly used method of modifying the DNA of an organism?a. crossbreeding two plants of the same speciesb. crossbreeding two plants of different speciesc. the polymerase chain reactiond. genetic engineeringarrow_forwardIn what order does the genetic information flow in living organisms? Choose all that are true. genetic information can be rewritten from protein to DNA genetic information can be translated from RNA to protein genetic information can be rewritten from DNA to RNA genetic information can be rewritten from protein to RNA genetic information can be rewritten from RNA to DNAarrow_forward
- Similarities in ___________ are the basis of similarities in traits. a. karyotype c. the double helix b. DNA sequence d. chromosome numberarrow_forwardGenes that have sequence and functional relationships to each other within a single species are called:arrow_forwardWhich statement best describes a genomic library? an initial amount of DNA can be multiplied into millions of copies a large collection of bacteria that are engineered to contain fragments of an organism's complete genome a collection of DNA sequences are arranged on a microscopic grid many small pieces of circular, double-stranded DNA that replicate independently of chromosomes contained in a nucleusarrow_forward
- Give the scope of the following fields in Applied Genetics: Metagenics Genetic Engineering Phylogeneticsarrow_forwardThe above image compares portions of DNA containing globin genes from an ordinary bony fish and an icefish. The genes on the figure are aligned based on - A. the beginning sequence on the chromosome. B. a matching of intron sequences. C. homologous sequences. D. gene function.arrow_forwardDescribe the evolution of human globin genes as an example of gene duplication and a gene family.arrow_forward
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