Explain the pattern of inheritance.
Write down lists of the definitely homozygous and definitely heterozygous individuals.
Homework Answers
This pedigree chart is an example of hypercholesterolemia which shows an autosomal dominant type of inheritance.
Here we can see, males and females are equally affected. When one parent is affected (heterozygous) and the other parent is unaffected, approximately 1/2 of the offspring will be affected. This pattern of inheritance does not skip generations. It is present in all the generations, so it is dominant. All diseased individuals in pedigrees are heterozygotes Aa. The disease is much more severe in homozygous individuals (AA). Normal siblings (II-3) of affected individuals have all normal offsprings.
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Explain the pattern of inheritance.
Write down lists of the definitely homozygous and definitely
heterozygous individuals....
In a simple dominant-recessive inheritance pattern, what percentage of the offspring would be heterozygous if one...
In a simple dominant-recessive inheritance pattern, what percentage of the offspring would be heterozygous if one parent is heterozygous and one parent is homozygous recessive for the gene? 100% O 75% O 50% 25% O 0%
(10 points) ominant-recessive inheritance pattern, what percentage of the offspring would be homozygous oth parents are...
(10 points) ominant-recessive inheritance pattern, what percentage of the offspring would be homozygous oth parents are heterozygous for the gene?
If the pedigree is for an autosomal recessive characterizing, which individuals are definitely heterozygous?
If the pedigree is for an autosomal recessive characterizing, which individuals are definitely heterozygous?
Inheritance pattern in BRCA 1 Describe the inheritance pattern of BRCA 1 Is it recessive or...
Inheritance pattern in BRCA 1 Describe the inheritance pattern of BRCA 1 Is it recessive or dominant? Autosomal or sex- linked? Be sure to describe the genotypes and phenotypes of both the affected individuals and their parents. Are there any non-Mendelian inheritance patterns involved (e.g., co-dominance or incomplete dominance)? what does this inheritance pattern mean for individuals who have the mutated gene? use at least one diagram and text to convey this information. A pedigree chart is often a useful...
what is the difference between heterozygous and homozygous individuals
What is the difference between heterozygous and homozygous individuals? Homozygotes have one chromosome while heterozygotes have two similar chromosomes. The homozygote will express the dominant trait and the heterozygote will express the recessive trait. All of the gametes from a homozygote carry the same version of the gene while those of a heterozygote will differ. Heterozygotes carry two copies of a gene while homozygotes only carry one. When constructing a Punnett square, the symbols on the outside of the boxes...
Which of the statements about incomplete dominance are true? 1) Heterozygous individuals have the same phenotype...
Which of the statements about incomplete dominance are true? 1) Heterozygous individuals have the same phenotype as homozygous dominant individuals. 2) Heterozygous individuals have a phenotype intermediate to the homozygous dominant and homozygous recessive phenotypes. 3) Heterozygous individuals express both the homozygous dominant and homozygous recessive phenotypes. 4) If homozygous dominant mice have black fur, and homozygous recessive mice have white fur, then heterozygous mice have gray fur.
In a population, you observe 300 homozygous dominant (AA) individuals, 400 heterozygous (Aa) individuals, and 300...
In a population, you observe 300 homozygous dominant (AA) individuals, 400 heterozygous (Aa) individuals, and 300 homozygous recessive (aa) individuals. Please show all your work while answer the following questions. What are the observed allele frequencies for this population? • observed dominant allele (A) frequency: • observed recessive allele (a) frequency: What are the observed genotype frequencies for this population? • observed homozygous dominant (AA) genotype frequency: • observed heterozygous (Aa) genotype frequency: • observed homozygous recessive (aa) genotype frequency:...
12. What is a suspected heterozygous individual crossed with in a test cross? A. Homozygous dominant...
12. What is a suspected heterozygous individual crossed with in
a test cross?
A. Homozygous dominant
B. Homozygous recessive
C. Heterozygous dominant
D. Heterozygous recessive
13. Which of the following genotypes is possible in the
offspring of a homozygous male with blood group A and a female with
blood group B?
The answers are 12B, 13B, 14C can you explain how?
Α. ΙΑΙΑ 14. What type of inheritance is shown in this pedigree chart? Key: Affected O Carrier A. X-linked...
A mating between a heterozygous individual and a homozygous recessive individual results in 11 heterozygous progeny...
A mating between a heterozygous individual and a homozygous recessive individual results in 11 heterozygous progeny and 22 homozygous individuals. Do these observations fit a hypothesis of a 1:1 ratio of phenotypes? Conduct a Chi-square test to determine if these observations fit the hypothesis. Include: 1. The Chi-square value 2. The number of degrees of freedom 3. The p-value 4. Interpret what the p-value means. HTML Editor
What pattern of inheritance is suggested by the following pedigree? For genotype assignment assume that the affected ma...
What pattern of inheritance is suggested by the following
pedigree?
For genotype assignment assume that the affected male in the
first generation is heterozygous. Assign genotypes to all other
individuals in the Pedegree
For Generation one: 1. dd 2. Dd
In a simple dominant-recessive inheritance pattern, what percentage of the offspring would be heterozygous if one parent is heterozygous and one parent is homozygous recessive for the gene? 100% O 75% O 50% 25% O 0%
(10 points) ominant-recessive inheritance pattern, what percentage of the offspring would be homozygous oth parents are heterozygous for the gene?
If the pedigree is for an autosomal recessive characterizing, which individuals are definitely heterozygous?
What is the difference between heterozygous and homozygous individuals? Homozygotes have one chromosome while heterozygotes have two similar chromosomes. The homozygote will express the dominant trait and the heterozygote will express the recessive trait. All of the gametes from a homozygote carry the same version of the gene while those of a heterozygote will differ. Heterozygotes carry two copies of a gene while homozygotes only carry one. When constructing a Punnett square, the symbols on the outside of the boxes...
In a population, you observe 300 homozygous dominant (AA) individuals, 400 heterozygous (Aa) individuals, and 300 homozygous recessive (aa) individuals. Please show all your work while answer the following questions. What are the observed allele frequencies for this population? • observed dominant allele (A) frequency: • observed recessive allele (a) frequency: What are the observed genotype frequencies for this population? • observed homozygous dominant (AA) genotype frequency: • observed heterozygous (Aa) genotype frequency: • observed homozygous recessive (aa) genotype frequency:...
12. What is a suspected heterozygous individual crossed with in
a test cross?
A. Homozygous dominant
B. Homozygous recessive
C. Heterozygous dominant
D. Heterozygous recessive
13. Which of the following genotypes is possible in the
offspring of a homozygous male with blood group A and a female with
blood group B?
The answers are 12B, 13B, 14C can you explain how?
Α. ΙΑΙΑ 14. What type of inheritance is shown in this pedigree chart? Key: Affected O Carrier A. X-linked...
A mating between a heterozygous individual and a homozygous recessive individual results in 11 heterozygous progeny and 22 homozygous individuals. Do these observations fit a hypothesis of a 1:1 ratio of phenotypes? Conduct a Chi-square test to determine if these observations fit the hypothesis. Include: 1. The Chi-square value 2. The number of degrees of freedom 3. The p-value 4. Interpret what the p-value means. HTML Editor
What pattern of inheritance is suggested by the following
pedigree?
For genotype assignment assume that the affected male in the
first generation is heterozygous. Assign genotypes to all other
individuals in the Pedegree
For Generation one: 1. dd 2. Dd
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