ND STONY BROOK UNIVERSITY LOOSELEAF GENETICS: FROM GENES TO GENOMES
ND STONY BROOK UNIVERSITY LOOSELEAF GENETICS: FROM GENES TO GENOMES
6th Edition
ISBN: 9781260406092
Author: HARTWELL, Leland, HOOD, Leroy, Goldberg, Michael
Publisher: Mcgraw-hill Education/stony Brook University
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Chapter 17, Problem 35P
Summary Introduction

a.

To determine:

The technique which can be used to identify specific miRNA that might be associated with the discovery of the protein.

Introduction:

miRNA refers to non-coding RNA that play a major role in the regulation of gene expression. Different techniques can be used to detect specific miRNA that is associated with a particular protein molecule.

Summary Introduction

b.

To determine:

The ways by which mutant mouse can be used to identify the mRNA that might be targeted by the miRNA- RISC complexes containing Argonaute like protein.

Introduction:

The human genome contains 1000 genes encoding the miRNAs. The miRNAs become incorporated into ribonucleoprotein complexes called miRNA induced silencing complexes.

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A normal hemoglobin protein has a glutamic acid at position 6; in sickle-cell hemoglobin, this glutamic acid has been replaced by a valine. List all the possible mRNA codons that could be present for each type of hemoglobin. Can a single base change result in a change from Glu to Val in hemoglobin?
(b) Hemoglobin is made of B-globin subunits. The first few mRNA nucleotides for B- globin are given by: (1) (iii) (iv) Write down the DNA sequence that has led to this mRNA and indicate the sense and non-sense strands and the polarity. CE Derive the polypeptide for the sequence using the table of the genetic code (Table Q1 below) and indicate the polarity of the polypeptide chain. First Position (5' end) U A single point mutation in mRNA sequence can cause sickle cell anemia by changing the amino acid Glu to Val. For the given mRNA, indicate the point mutations for the first Glu in the polypeptide sequence that can cause this disease. 5'-AUGGUCCACCUGACUCCUGAGGAGAAG...UGA-3' C The polypeptide of B-globin contains the amino acid Leu. Write down all the anticodons of the tRNA molecules that can potentially code for Val. Indicate the polarity of the anti-codon. A G Table 1. The Codons of the Genetic Code Second Position U Phe Phe Leu Leu Leu Leu Leu Leu Ile Ile Ile Met-Start Val Val Val…
Knowing that the genetic code is almost universal, a scientist uses molecular biological methods to insert the human β-globin gene (Shown in Figure 17.11) into bacterial cells, hoping the cells will express it and synthesize functional β-globin protein. Instead, the protein produced is nonfunctional and is found to contain many fewer amino acids than does β-globin made by a eukaryotic cell. Explain why.

Chapter 17 Solutions

ND STONY BROOK UNIVERSITY LOOSELEAF GENETICS: FROM GENES TO GENOMES

Ch. 17 - a. Assume that two transcription factors are...Ch. 17 - Prob. 12PCh. 17 - In Problem 12, you identified a genomic region...Ch. 17 - Prob. 14PCh. 17 - Prob. 15PCh. 17 - Genes in both prokaryotes and eukaryotes are...Ch. 17 - Prob. 17PCh. 17 - Lysine 4 of histone H3 H3K4 is methylated in the...Ch. 17 - J.T. Lis and collaborators have developed an...Ch. 17 - Hydatiform moles are growths of undifferentiated...Ch. 17 - Prader-Willi syndrome is caused by a mutation in...Ch. 17 - The human IGF2 gene is autosomal and maternally...Ch. 17 - Follow the expression of a paternally imprinted...Ch. 17 - Reciprocal crosses were performed using two inbred...Ch. 17 - Interestingly, imprinting can be tissue-specific....Ch. 17 - Prob. 26PCh. 17 - A method for detecting methylated CpGs involves...Ch. 17 - Honeybees Apis mellifera provide a striking...Ch. 17 - Consider the experiment in Fig. 17.24, where the...Ch. 17 - A protein or RNA that regulates gene expression in...Ch. 17 - a. How can a single eukaryotic gene give rise to...Ch. 17 - A hunchback gene, a gene necessary for proper...Ch. 17 - You know that the mRNA and protein produced by a...Ch. 17 - You are studying a transgenic mouse strain that...Ch. 17 - Prob. 35PCh. 17 - Scientists have exploited the siRNA pathway to...Ch. 17 - Persimmons Diospyros lotus are dioecious plants,...Ch. 17 - Drosophila females homozygous for loss-of-function...Ch. 17 - The text has discussed the RNA-Seq technique,...Ch. 17 - Researchers know that Fru-M controls male sexual...Ch. 17 - The Drosophila gene Sex lethal Sxl is deserving of...Ch. 17 - Figure 17.29 shows that the Sxl protein binds to...
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