Homework Answers
3) The condition is transmitted in autosomal recessive pattern. Mating between I-1 and I-2 produces offsprings that are affected. Therefore, both I-1 and I-2 must be carriers. Similarly, II-1 and II-2 must be carriers. II-5 is affected by the disease, So, all its offsprings must be carriers.
The following are carriers,
- I-1
- I-2
- II-1
- II-2
- III-5
- III-6
- III-7
- III-8
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The pedigree below illustrates a family that has an autosomal recessive disorder running through it. The...
The given image shows the pedigree of a family with an autosomal recessive disorder. Analyze the...
The given image shows the pedigree of a family with an autosomal
recessive disorder. Analyze the pedigree to determine the
probability of individual 12 being a carrier. Please write your
answer as a probability from 0 to 1. Probability:
pedigree 8. The Addams family knows of three relatives who had Menkes disease, and X-linked recessive...
pedigree
8. The Addams family knows of three relatives who had Menkes disease, and X-linked recessive disorder in which a child does not grow, has brain degeneration, and dies by age two. Affected children have peculiar white stubby hair. Wanda Addams is hesitant about having children because her two sisters have each had sons who died from Menkes discase. Her mother had a brother who died of the condition, too. The pedigree for the family is shown below. A. Fill...
The pedigree below that shows a family in which an autosomal recessive disorder is present. Family...
The pedigree below that shows a family in which an autosomal recessive disorder is present. Family members 1-2 and II-2 are affected by the disorder and have the genotype dd. A pregnancy involving Il-4 has just undergone genetic testing for a VNTR that is linked to the disease gene. The VNTR has two alleles, V1 and V2. The gel electrophoresis patterns for each family member are shown, including the VNTR genotype for 1|-4. 2 - 2 3 4 = ?...
You are a geneticist who has been approached by a family who suffers a mysterious disorder,...
You are a geneticist who has been approached by a family who suffers a mysterious disorder, which they called the Babbling disease. In order to study its inheritance, you interviewed different family members to record the incidence of the disorder throughout the generations. These are your data: Will and Sarah got married in 1965. Neither of them babbled. No one on Will’s side had the Babbling disorder. His dad Brett, his mother Victoria, his brother Jack or his sisters Nola...
Follow-Up Questions 1. Your brother has an autosomal recessive disorder, while you are unaffected. Neither one...
Follow-Up Questions 1. Your brother has an autosomal recessive disorder, while you are unaffected. Neither one of your parents is affected. Explain how this is possible. 2. Using the above situation, what is the probability that you carry the recessive allele? 3. A couple wants to have a child, but the mother has a brother who is affected by cystic fibrosis. They seek out the advice of a genetic counselor at their local hospital to determine what, if any, chance...
Question 1 (2 points) MARK ALL THAT APPLY. Cystic fibrosis (CF) is an autosomal recessive disorder....
Question 1 (2 points) MARK ALL THAT APPLY. Cystic fibrosis (CF) is an autosomal recessive disorder. Carlos was tested and found out that he is a carrier. Mollie does not have CF and is not tested, but they decide to get pregnant, and their child inherits cystic fibrosis. Mollie's genotype could have been: 1) cc 2) cc 3) cc 4) xcxc 5) xcxc 06) xcxc 7) XCY
Betsy has an autosomal recessive disorder. Kevin is a carrier. They have one boy (II-3) who...
Betsy has an autosomal recessive disorder. Kevin is a carrier.
They have one boy (II-3) who has the same autosomal recessive
disorder as his mom.
On the gel, thick bands represent twice as much DNA as thin
bands (kb = kilobases = length). Betsy is homozygous for the 4-kb
mutant allele. Kevin is heterozygous for the 4-kb mutant allele and
the 15-kb normal allele.
Which of the following situations could explain the genotype of
their first son (II-2)?
A. Normal...
Creating a pedigree chart from a family history and hypothesizing pattern of inheritance A family with...
Creating a pedigree chart from a family history and hypothesizing pattern of inheritance A family with a new disease caused by a mutant gene has been found. The family history has been collected and recorded. You will now create a pedigree chart from their family history and use the pedigree to predict the pattern of inheritance the disease follows. • Read the following family history: Patient 1 and Patient 2 visited a genetics counselor and provided their family histories. As...
1. Tay-Sachs is an autosomal recessive disorder, which is the inability for infants to breakdown gangliosides in the CNS, which overtime build-up and destroy neurons. As the disease progresses, the ch...
1. Tay-Sachs is an autosomal recessive disorder, which is the inability for infants to breakdown gangliosides in the CNS, which overtime build-up and destroy neurons. As the disease progresses, the child loses muscle control. Eventually, this leads to blindness, paralysis and death. If you have a family history of Tay-Sachs disease or if you're a member of a high-risk group and plan to have children, doctors strongly recommend genetic testing and genetic counseling. Scott and Tina are a young couple...
3. Sickle-cell disease is a genetic condition caused by an autosomal recessive allele which al- fects...
3. Sickle-cell disease is a genetic condition caused by an autosomal recessive allele which al- fects one in every 500 African American children born in the U.S. One in every ten African Americans is a carrier for the recessive allels. Although sickle cell disease is caused by a single human gene, it is expressed through many different effects throughout the body. The presence of a recessive sickle-cell allele in humans causes the red blood cells to produce abnormal hemoglobin protein...
The given image shows the pedigree of a family with an autosomal
recessive disorder. Analyze the pedigree to determine the
probability of individual 12 being a carrier. Please write your
answer as a probability from 0 to 1. Probability:
pedigree
8. The Addams family knows of three relatives who had Menkes disease, and X-linked recessive disorder in which a child does not grow, has brain degeneration, and dies by age two. Affected children have peculiar white stubby hair. Wanda Addams is hesitant about having children because her two sisters have each had sons who died from Menkes discase. Her mother had a brother who died of the condition, too. The pedigree for the family is shown below. A. Fill...
The pedigree below that shows a family in which an autosomal recessive disorder is present. Family members 1-2 and II-2 are affected by the disorder and have the genotype dd. A pregnancy involving Il-4 has just undergone genetic testing for a VNTR that is linked to the disease gene. The VNTR has two alleles, V1 and V2. The gel electrophoresis patterns for each family member are shown, including the VNTR genotype for 1|-4. 2 - 2 3 4 = ?...
Follow-Up Questions 1. Your brother has an autosomal recessive disorder, while you are unaffected. Neither one of your parents is affected. Explain how this is possible. 2. Using the above situation, what is the probability that you carry the recessive allele? 3. A couple wants to have a child, but the mother has a brother who is affected by cystic fibrosis. They seek out the advice of a genetic counselor at their local hospital to determine what, if any, chance...
Question 1 (2 points) MARK ALL THAT APPLY. Cystic fibrosis (CF) is an autosomal recessive disorder. Carlos was tested and found out that he is a carrier. Mollie does not have CF and is not tested, but they decide to get pregnant, and their child inherits cystic fibrosis. Mollie's genotype could have been: 1) cc 2) cc 3) cc 4) xcxc 5) xcxc 06) xcxc 7) XCY
Betsy has an autosomal recessive disorder. Kevin is a carrier.
They have one boy (II-3) who has the same autosomal recessive
disorder as his mom.
On the gel, thick bands represent twice as much DNA as thin
bands (kb = kilobases = length). Betsy is homozygous for the 4-kb
mutant allele. Kevin is heterozygous for the 4-kb mutant allele and
the 15-kb normal allele.
Which of the following situations could explain the genotype of
their first son (II-2)?
A. Normal...
Creating a pedigree chart from a family history and hypothesizing pattern of inheritance A family with a new disease caused by a mutant gene has been found. The family history has been collected and recorded. You will now create a pedigree chart from their family history and use the pedigree to predict the pattern of inheritance the disease follows. • Read the following family history: Patient 1 and Patient 2 visited a genetics counselor and provided their family histories. As...
3. Sickle-cell disease is a genetic condition caused by an autosomal recessive allele which al- fects one in every 500 African American children born in the U.S. One in every ten African Americans is a carrier for the recessive allels. Although sickle cell disease is caused by a single human gene, it is expressed through many different effects throughout the body. The presence of a recessive sickle-cell allele in humans causes the red blood cells to produce abnormal hemoglobin protein...
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