Homework Answers
The correct option is b (This is a male with fragile X syndrome).
Fragile X syndrome is a common genetic disorder affecting both male and females and causing metal retardation. It occurs due to CGG expansion in FMR-1 (familial metal retardation-1) 5' UTR region. CGG repeats causes FMR-1 silencing due to CpG island methylation. Southern blot is a popular method for detection of FMR-1 silencing. In a typical southern blot:
- Normal female: displays two bands of 2.8 kb and 5.2 kb each.
- Normal male : displays one band of 2.8 kb
- Full mutation female: displays two bands: one of 2.8 kb and other band bigger than 5.2 kb.
- Full mutation male (Fragile-X syndrome males) displays one band greater than 5.2 kb in size.
Lane 6 is displaying one band greater than 5.2 kb, hence, this represents a male with fragile X syndrome.
Option a is incorrect: In Female with fragile X syndrome, southern blotting displays two bands for FMR-1 mutation. Hence, this option is incorrect.
Option c and e are incorrect: Huntington disease can not be measured by FMR-1 southern Blotting. Hence, these options are incorrect.
Option d is incorrect: It is mentioned in the question itself that lane 9 is showing normal female. Hence, this option is incorrect.
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8. The accompanying photo shows a Southern blot of the FMR-1 gene (Xq27.3) for eight patients...
19) Trisomy 21, or Down syndrome, occurs when there is a nom complement but one (extra)...
19) Trisomy 21, or Down syndrome, occurs when there is a nom complement but one (extra) chromosome 21. Although fertility is reduced in both sexes, females have higher fertility rates than males. Van Dyke et al. (1995; Down Syndrome Research and Practice 3(2):65-69) summarize data involving children born of Down syndrome individuals. Assume that children are born to a female with Down syndrome and a normal 46-chromosome male. What proportion of the offspring would be expected to have Down syndrome?...
I need answers for 5 to 8. thank you 5. It is probable that a probability...
I need answers for 5 to 8. thank you
5. It is probable that a probability question is in the future From the cross AaBbceDdEell X AABECcDdeer what is the probability of obtaining the genotype AabbCcDDEeff in the progeny? 6. Fill in XY female Cri du Chat Down syndrome XX male Anhydrotic ectodermal dysplasia Patau syndrome Hemophilia Polydactyly Phenylketonuria Achondroplasia Alkaptonuria a) Develop male structure, but experiences infertility b) Develop female structures but may not have ovaries c) Female heterozygotes...
Question 2 0/1 pts Marfan syndrome is a dominant disorder. Choose all possible genotype(s) for those...
Question 2 0/1 pts Marfan syndrome is a dominant disorder. Choose all possible genotype(s) for those afflicted by this disorder. mm Mm MM Partial Question 4 1.67 /2 pts Match the phenotypes on the left with the correct genotypes on the right. A lower case 'c' denotes the colorblind allele. Normal male XY Colorblind male XcY Carrier male none Normal female XX Colorblind female XcXc Carrier female XcXc Partial Question 5 0.5/1 pts If Xc denotes the colorblindness allele and...
The accompanying data shows the weekly purchases of printers at a particular electronic store. Using alpha...
The accompanying data shows the weekly purchases of printers at
a particular electronic store. Using
alpha α equals=0.050
perform a chi-square test to determine if the number of
printers sold per week follows a normal probability distribution.
Note that
x equals=11.2
and
s equals=4.5
Click the icon to view the weekly purchases of printers.
Use the intervals below to calculate the chi-square test
statistic, χ2.
Interval 1:
z
≤−1.0
Interval 2:−1.0
<
z
≤
0
Interval 3:
0
<
z...
. O . Using Pedigrees to hypothesize patterns of inheritance 5. For each of the pedigree...
. O . Using Pedigrees to hypothesize patterns of inheritance 5. For each of the pedigree charts on the following page, determine which pattern of inheritance most likely explains the observed pattern of traits in the family shown. Observe the general patterns in the pedigree charts on the following page o males vs females? parents with disease? Compare these patterns with the clues on the previous page to hypothesize a pattern of inheritance Based on this pattern of inheritance, use...
1. Animals can teach us genetics. Match Codominance Show a dominant and recessive relationship _An allelic...
1. Animals can teach us genetics. Match Codominance Show a dominant and recessive relationship _An allelic series A dominant homozygote is lethal Coat coloration is determined by 2 genes Shows variable expressivity A qualitative, or continuous, trait involving polygenes Females mosaics for X-linked heterozygous color genes A. Manx cat B. Coat coloration rabbits C. Labrador retriever dogs D. Piebald spotting in beagles E. A and B blood alleles F. A and O blood alleles G. Calico cat H. Height of...
1. What would be the phenotype for each of the following birds, including their gender? Color...
1. What would be the phenotype for each of the following birds, including their gender? Color Gender Bb ZZi: - bb ZiZi: - BB ZZ: - bb ZW: - Bb ZiW: - 2. Using the phenotypes of the parents and of the progeny given in table 1, determine the genotype of each parent in the first nest. Male Female 3. Using the phenotypes of the parents and of the progeny given in table 2, determine the genotype of each parent...
Case 8 Hemoglobin, the Oxygen Carrier Focus concept A mutation in the gene for hemoglobin results...
Case 8 Hemoglobin, the Oxygen Carrier Focus concept A mutation in the gene for hemoglobin results in an altered protein responsible for the disease sickle cell anemia. An understanding of the biochemistry of the disease may suggest possible treatments Prerequisite Hemoglobin structure and function concepts Background Normal adult hemoglobin is called Hemoglobin A (Hb A). Ninety-eight percent ofaduk hemoglobin is Hb A and 2% is Hb A. There are other forms of hemoglobin. For example, the deve loping fetus has...
please answer as much of the questions as you can and not only one question: 1....
please answer as much of the questions as you can and not only
one question:
1. What is the pseudoautosomal region?
The region on the Y chromosome where the male-determining gene
is found
The region on the X chromosome where the female-determining gene
is found
A region on the Y chromosome where the gene, when mutated,
causes androgen insensitivity syndrome
A region at which the X and Y chromosomes both have copies of
the same genes
A region at which...
pls the answer should be type because I have issues with my eyes. Thanks ce/content/1/Genetics%20Lesson%20Exercises.pdf 1....
pls the answer should be type because I have issues
with my eyes. Thanks
ce/content/1/Genetics%20Lesson%20Exercises.pdf 1. Who was the father of Modern Genetics? 2. What was the Particulate theory of inheritance? 3. What is the Law of Segregation? Punnett Square Exercise Determine your genotype: If you are Lactose intolerant, your genotype is aa (Homozygous recessive) If you are not lactose-intolerant (lactase-persistent), your genotype is either Aa (heterozygous) or AA (homozygous dominant). Choose one or the other to work with. For...
19) Trisomy 21, or Down syndrome, occurs when there is a nom complement but one (extra) chromosome 21. Although fertility is reduced in both sexes, females have higher fertility rates than males. Van Dyke et al. (1995; Down Syndrome Research and Practice 3(2):65-69) summarize data involving children born of Down syndrome individuals. Assume that children are born to a female with Down syndrome and a normal 46-chromosome male. What proportion of the offspring would be expected to have Down syndrome?...
I need answers for 5 to 8. thank you
5. It is probable that a probability question is in the future From the cross AaBbceDdEell X AABECcDdeer what is the probability of obtaining the genotype AabbCcDDEeff in the progeny? 6. Fill in XY female Cri du Chat Down syndrome XX male Anhydrotic ectodermal dysplasia Patau syndrome Hemophilia Polydactyly Phenylketonuria Achondroplasia Alkaptonuria a) Develop male structure, but experiences infertility b) Develop female structures but may not have ovaries c) Female heterozygotes...
Question 2 0/1 pts Marfan syndrome is a dominant disorder. Choose all possible genotype(s) for those afflicted by this disorder. mm Mm MM Partial Question 4 1.67 /2 pts Match the phenotypes on the left with the correct genotypes on the right. A lower case 'c' denotes the colorblind allele. Normal male XY Colorblind male XcY Carrier male none Normal female XX Colorblind female XcXc Carrier female XcXc Partial Question 5 0.5/1 pts If Xc denotes the colorblindness allele and...
The accompanying data shows the weekly purchases of printers at
a particular electronic store. Using
alpha α equals=0.050
perform a chi-square test to determine if the number of
printers sold per week follows a normal probability distribution.
Note that
x equals=11.2
and
s equals=4.5
Click the icon to view the weekly purchases of printers.
Use the intervals below to calculate the chi-square test
statistic, χ2.
Interval 1:
z
≤−1.0
Interval 2:−1.0
<
z
≤
0
Interval 3:
0
<
z...
. O . Using Pedigrees to hypothesize patterns of inheritance 5. For each of the pedigree charts on the following page, determine which pattern of inheritance most likely explains the observed pattern of traits in the family shown. Observe the general patterns in the pedigree charts on the following page o males vs females? parents with disease? Compare these patterns with the clues on the previous page to hypothesize a pattern of inheritance Based on this pattern of inheritance, use...
1. Animals can teach us genetics. Match Codominance Show a dominant and recessive relationship _An allelic series A dominant homozygote is lethal Coat coloration is determined by 2 genes Shows variable expressivity A qualitative, or continuous, trait involving polygenes Females mosaics for X-linked heterozygous color genes A. Manx cat B. Coat coloration rabbits C. Labrador retriever dogs D. Piebald spotting in beagles E. A and B blood alleles F. A and O blood alleles G. Calico cat H. Height of...
Case 8 Hemoglobin, the Oxygen Carrier Focus concept A mutation in the gene for hemoglobin results in an altered protein responsible for the disease sickle cell anemia. An understanding of the biochemistry of the disease may suggest possible treatments Prerequisite Hemoglobin structure and function concepts Background Normal adult hemoglobin is called Hemoglobin A (Hb A). Ninety-eight percent ofaduk hemoglobin is Hb A and 2% is Hb A. There are other forms of hemoglobin. For example, the deve loping fetus has...
please answer as much of the questions as you can and not only
one question:
1. What is the pseudoautosomal region?
The region on the Y chromosome where the male-determining gene
is found
The region on the X chromosome where the female-determining gene
is found
A region on the Y chromosome where the gene, when mutated,
causes androgen insensitivity syndrome
A region at which the X and Y chromosomes both have copies of
the same genes
A region at which...
pls the answer should be type because I have issues
with my eyes. Thanks
ce/content/1/Genetics%20Lesson%20Exercises.pdf 1. Who was the father of Modern Genetics? 2. What was the Particulate theory of inheritance? 3. What is the Law of Segregation? Punnett Square Exercise Determine your genotype: If you are Lactose intolerant, your genotype is aa (Homozygous recessive) If you are not lactose-intolerant (lactase-persistent), your genotype is either Aa (heterozygous) or AA (homozygous dominant). Choose one or the other to work with. For...
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