BIO 108(BHCC CUSTOM)-W/CONNECT >CI<
14th Edition
ISBN: 9781307044959
Author: Mader
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 23, Problem 3TC
Summary Introduction
To discuss:
The reasons for observed differences between the identical twins.
Given:
Identical twins have same genetic makeup.
Introduction:
The identical twins are the twins, which are developed from a single zygote. They generally have same sex, but sometimes the mutation can cause the change in sex. The physical traits can vary in these twin as some of the traits are influenced by the environment.
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A sample of blood was taken from the above individual and prepared for haemoglobin analysis. However, when water was added the cells did not lyse and looked normal in size and shape. The technician suspected that they had may have made an error in the protocol – what is the most likely explanation?
The cell membranes are more resistant than normal.
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Not enough water had been added to the red blood cell pellet.
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A sample of blood was taken from the above individual and prepared for haemoglobin analysis. However, when water was added the cells did not lyse and looked normal in size and shape. The technician suspected that they had may have made an error in the protocol – what is the most likely explanation?
The cell membranes are more resistant than normal.
An isotonic solution had been added instead of water.
A solution of 0.1 M NaCl had been added instead of water.
Not enough water had been added to the red blood cell pellet.
The man had sickle-cell anaemia.
With reference to their absorption spectra of the oxy haemoglobin intact line) and deoxyhemoglobin (broken line) shown in Figure 2 below, how would you best explain the reason why there are differences in the major peaks of the spectra? Figure 2. SPECTRA OF OXYGENATED AND DEOXYGENATED HAEMOGLOBIN OBTAINED WITH THE RECORDING SPECTROPHOTOMETER 1.4 Abs < 0.8 06 0.4 400 420 440 460 480 500 520 540 560 580 600 nm 1. The difference in the spectra is due to a pH change in the deoxy-haemoglobin due to uptake of CO2- 2. There is more oxygen-carrying plasma in the oxy-haemoglobin sample. 3. The change in Mr due to oxygen binding causes the oxy haemoglobin to have a higher absorbance peak. 4. Oxy-haemoglobin is contaminated by carbaminohemoglobin, and therefore has a higher absorbance peak 5. Oxy-haemoglobin absorbs more light of blue wavelengths and less of red wavelengths than deoxy-haemoglobin
Chapter 23 Solutions
BIO 108(BHCC CUSTOM)-W/CONNECT >CI<
Ch. 23.1 - Describe how Mendel's law of segregation and law...Ch. 23.1 - Define the term allele, and explain what it means...Ch. 23.1 - Contrast genotype and phenotype, and use...Ch. 23.1 - Predict outcome ratios and probabilities for...Ch. 23.1 - Prob. 1QTCCh. 23.1 - 2. Decide the reasons listed in the feature, what...Ch. 23.1 - Prob. 3QTCCh. 23.1 - Distinguish between the terms genotype and...Ch. 23.1 - Explain the purpose of testcross.Ch. 23.1 - Prob. 3CYP
Ch. 23.1 - Describe the types of process that result in a 3:1...Ch. 23.2 - Recognize autosomal dominant and autosomal...Ch. 23.2 - Prob. 2LOCh. 23.2 - Describe the characteristics of a Pedigree for an...Ch. 23.2 - Prob. 2CYPCh. 23.3 - Prob. 1LOCh. 23.3 - Prob. 2LOCh. 23.3 - Describe polygenic inheritance.Ch. 23.3 - Prob. 1CYPCh. 23.3 - Prob. 2CYPCh. 23.4 - Prob. 1LOCh. 23.4 - Understand how scientists determine the effect of...Ch. 23.4 - Prob. 1CYPCh. 23.4 - Prob. 2CYPCh. 23 - Prob. C2BYBCh. 23 - Prob. S5.4BYBCh. 23 - Prob. S5.6BYBCh. 23 - Prob. 1CSCh. 23 - Prob. 2CSCh. 23 - Prob. 1ACh. 23 - Prob. 2ACh. 23 - Prob. 3ACh. 23 - Prob. 4ACh. 23 - Prob. 5ACh. 23 - Prob. 6ACh. 23 - Prob. 7ACh. 23 - Prob. 8ACh. 23 - Prob. 9ACh. 23 - Prob. 10ACh. 23 - Prob. 11ACh. 23 - Prob. 12ACh. 23 - Prob. 1AGPCh. 23 - Prob. 2AGPCh. 23 - Prob. 3AGPCh. 23 - Prob. 4AGPCh. 23 - Prob. 5AGPCh. 23 - Prob. 6AGPCh. 23 - Prob. 7AGPCh. 23 - Prob. 8AGPCh. 23 - Prob. 1TCCh. 23 - How would you determine whether a disease in...Ch. 23 - Prob. 3TC
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