Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Textbook Question
Chapter 11, Problem 1FIB
An organism is described as Rr, with red coloring. Rr is the organism’s _______, while red color is its ______. This organism would be ________ (homozygous/heterozygous) for this color gene.
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A single gene disorder that produces several symptoms is________.
Sickle cell anemia causes hemoglobin, the oxygen - carrying molecule of red blood cells, to be misshapen resulting in disease. "H" is the normal hemoglobin allele and "h" is the allele for sickle - cell shaped hemoglobin. In order to get the disease, a person must have a recessive genotype (hh). Two people with normal red blood cells are carriers of the gene - they have m genotypes Hh.
Questions:
a. What are the possible genotypes of the eggs the woman can produce?
b. What are the possible genotypes of the sperm the man can produce?
c. What is the genotypic ration for the offspring?
d. What is the phenotype ratio for the offspring?
e. What is the couple's chance of having a child a sickle cell anemia?
It is found at a specific spot
within a gene that represents
a variation of that gene. *
Genetics
Gene
Heredity
Allele
Chapter 11 Solutions
Biology
Ch. 11.1 - describe the relationships among chromosomes,...Ch. 11.1 - Prob. 2CYLCh. 11.2 - distinguish between self-fertilization and...Ch. 11.2 - Prob. 2CYLCh. 11.3 - Prob. 1TCCh. 11.3 - Prob. 1CSCCh. 11.3 - describe the pattern of inheritance of a trait...Ch. 11.3 - Prob. 2CYLCh. 11.3 - Prob. 3CYLCh. 11.4 - Can the genotype of a plant grown from a smooth,...
Ch. 11.4 - Prob. 2TCCh. 11.4 - Prob. 1CYLCh. 11.4 - Prob. 2CYLCh. 11.4 - Prob. 3CYLCh. 11.5 - Prob. 1TCCh. 11.5 - Prob. 1CSCCh. 11.5 - Prob. 1HYEWCh. 11.5 - Prob. 1CYLCh. 11.5 - Prob. 2CYLCh. 11.6 - describe how the patterns of inheritance differ...Ch. 11.7 - If a color-deficient woman and a man with normal...Ch. 11.7 - Prob. 1CYLCh. 11.7 - explain why most sex-linked traits are controlled...Ch. 11.7 - describe the pattern of inheritance of sex-linked...Ch. 11.8 - Prob. 1TCCh. 11.8 - use pedigrees to determine the pattern of...Ch. 11.8 - Prob. 2CYLCh. 11.8 - Prob. 3CYLCh. 11.8 - Prob. 2TCCh. 11.8 - Prob. 1CTCh. 11 - Prob. 1MCCh. 11 - Prob. 2MCCh. 11 - Independent assortment means that a. two genes on...Ch. 11 - Prob. 4MCCh. 11 - Prob. 5MCCh. 11 - An organism is described as Rr, with red coloring....Ch. 11 - Prob. 2FIBCh. 11 - Prob. 3FIBCh. 11 - Genes that are present on one sex chromosome but...Ch. 11 - Prob. 5FIBCh. 11 - Define the following terms: gene, allele,...Ch. 11 - Prob. 2RQCh. 11 - Prob. 3RQCh. 11 - Prob. 4RQCh. 11 - Prob. 5RQCh. 11 - Prob. 6RQCh. 11 - Prob. 1ACCh. 11 - Prob. 2ACCh. 11 - In certain cattle, hair color can be red...Ch. 11 - In the edible pea, tall (T) is dominant to short...Ch. 11 - Prob. 3GPCh. 11 - Prob. 4GPCh. 11 - Prob. 5GP
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- To understand this research, you must be familiar with some basic genetic terminology. Drag the terms on the left to the appropriate blanks on the right to complete the sentences. Not all terms will be used. dominant allele phenotype The possession of two different alleles of a particular gene is referred to as Reset Help A variation in a DNA sequence at one particular position is called a heterozygosity genotype recessive allele homozygosity single nucleotide polymorphism The appearance of the organism, its observable traits, are referred to as the A variant of a gene for which an individual must be homozygous in order for it to influence the appearance of the organism is a The set of alleles an organism has for a particular trait is the organism's Submit Request Answerarrow_forwardIn the DNA, different alleles of a gene have a different sequence of ***18. Complete this flowchart to show how different alleles can result in different characteristics. different sequence of in transcription > different sequence of in a protein translation > different structure and function of the protein (e.g. normal enzyme vs. defective enzyme) > different characteristics (e.g. normal color vs. albino) In this section, you will analyze how different alleles of the hemoglobin gene can result in sickle cell ar vs. normal health. ***19. Compare the nucleotide sequence in the "Beginning of Normal Hemoglobin Gene" vs. the "Beginning of Sickle Cell Hemoglobin Gene". What is the only difference?arrow_forwardIn ___________ heterogeneity, a variety of mutations in a singlegene cause disease. Compound heterozygotes with twodifferent recessive loss-of-function mutations in the samegene may display the mutant phenotype.arrow_forward
- If an individual is diagnosed with multiple karyotypes, they are called? Choose from the options in the image.arrow_forwardThis is a schematic representation for a bi-allelic gene with a recessive allele a that causes a specific disease. Use your cursor to select the part of this diagram that represents the homozygous recessive event. Saa AA Aaarrow_forwardThe mother ogre has two small eyes with genotype EE. The male ogre has one large eye with genotype ee. This gene is dominant/recessive. What percent of offspring will have only one eye? _________ The mother ogre has white eyes with genotype R’R’. The father ogre has pink eyes with genotype RR’. The R allele encodes for red eyes. The R’ allele encodes for white eyes. What kind of dominance is it when RR’ leads to pink eyes? What percent of offspring will have red eye(s)? _________arrow_forward
- CIUSS O An organism has the genotype a g*/a"g*; qf"/q+f*;r+h+/rth*. Indicate the correct genes/ alleles at all the positions numbered 1-12 in the image below such that the diagram accurately represents the genotype of this organism. Note: assume the first chromosome in each pair shown in the genotype is the top chromosome shown in the diagram. 1 i 2: a gene g gene 6. q gene fgene 7 8. | 10 r gene h gene 12 Only place the genes/ alleles you need. You will not need them all. You may need to use some more than once. • gene / allele 1 a- ; gene / allele 2 g+ ; gene / allele 3 a- gene/allele 4 g++ • gene / allele 5 q- ; gene / allele 6 f- gene / allele 7 q+; gene / allele 8 f- gene / allele 9 r+; gene / allele 10 h+ gene / allele 11 r+ gene / allele 12 h+ a+ a- f+ f- g+ g- h+ h- q+ q- r+ r- 2.arrow_forwardA woman who is heterozygous for gene B has brown eyes. B is a dominant allele for brown pigmentation, while b is recessive allele for blue pigmentation. The woman has a patch of blue color in her left eye. Give THREE (3) reasons how this might occur.arrow_forwardIn 1967, a couple accused a hospital of switching their baby with another. DNA interpretation did not exist at this time so the hospital traced the blood types of the family in order to determine if a mistake was made. The mother had Type A blood, the father had Type AB blood, and the baby had Type O blood. Use the Punnett square to defend your answer to the following question: Did the hospital make a mistake and switch the baby? ____________arrow_forward
- Can someone show me why this is correct? I will like to see the possible genotypes and phenotypes together that proves the answer.arrow_forwardA gene is composed of two alleles. An allele can be either dominant or recessive. Suppose that a husband and wife, who are both carriers of the sickle-cell anemia allele but do not have the disease, decide to have a child. Because both parents are carriers of the disease, each has one dominant normal-cell allele (S) and one recessive sickle-cell allele (s). Therefore, the genotype of each parent is Ss. Each parent contributes one allele to his or her offspring with each allele being equally likely. Complete parts a) through c) below. a) Genes are always written with the dominant gene first. Therefore, there are two instances the offspring could have genotype Ss (one if the mother contributes the dominant allele and the father contributes the non-dominant allele; and one if the father contributes the dominant allele and the mother contributes the non-dominant allele). List the other two possible genotypes of the offspring. (Use a comma to separate answers as needed.)arrow_forwardThe A and B alleles code for different forms of the enzyme (two words) that recognize different (one word).arrow_forward
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