Glandular secretions are abnormally high in children with cystic fibrosis. The gene responsible is recessive to...
Glandular secretions are abnormally high in children with cystic fibrosis. The gene responsible is recessive to the gene for normal secretions. What are the possible phenotypes in a cross between two heterozygous individuals? One heterozygous and one homozygous normal?
please explain :-) thanks
Homework Answers
1)if we cross between two heterozygous individual ,there is 25% chance to get affected children and 75% chance to get normal children.
2)if we cross between heterozygous and homozygous normal ,all childrens become phenotypically show normal phenotype.
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Glandular secretions are abnormally high in children with cystic
fibrosis. The gene responsible is recessive to...
1 A) Cross Rh- man who is heterozygous for cystic fibrosis with a female who is...
1 A) Cross Rh- man who is heterozygous for cystic fibrosis with a female who is heterozygous for cystic fibrosis and Rh+. What are the phenotypes and phenotypic ratios of the offspring? B) Cross a Rh- man who is left handed with a female who is heterozygous Rh+ and right handed. What are the expected phenotypes? C) The parents of two children are normal in respect to cystic fibrosis. One of their children is normal, one has cystic fibrosis. What...
Cystic fibrosis is an autosomal recessive disease caused by a mutation in a single gene with...
Cystic fibrosis is an autosomal recessive disease caused by a mutation in a single gene with two alleles. Suppose the frequency of cystic fibrosis in a population is 3%. Assuming the gene is in HW equilibrium, calculate the allele and genotype frequencies. If the population consists of 100 individuals, how many are carriers (but unaffected) for the cystic fibrosis allele?
5) Human recessive disease: cystic fibrosis Jane and John are expecting a baby know that they...
5) Human recessive disease: cystic fibrosis Jane and John are expecting a baby know that they are both carriers (i.e., heterozygous) of cystic fibrosis (Cc). What is the probability that their child will have cystic fibrosis (CC)? What is the probability that their child will be a carrier of cystic fibrosis? Chance of child being: 25 % Homozygous dominant Genotype: 50_%Cystic fibrosis carrier Genotype: 25 % Cystic fibrosis Genotype: 6) Human recessive disease: Phenylketonuria A couple has just found out...
82 GENETICS LABORATORY MANUAL 4. Cystic fibrosis is one of the most common autosomal recessive diseases...
82 GENETICS LABORATORY MANUAL 4. Cystic fibrosis is one of the most common autosomal recessive diseases in people Northern European descent. A mutation in the CF gene affects a protein involved in the transport of chloride and sodium across cell membranes, causing thick mucus and secretions, lung damage, and nutritional deficiencies. The disease is inherited in an autosomal recessive manner, meaning one must inherit two mutated alleles in order to have the disease. Greg does not have cystic fibrosis, and...
3. Cystic fibrosis is a recessive genetic disorder that causes too much mucus to build up...
3. Cystic fibrosis is a recessive genetic disorder that causes too much mucus to build up in the lungs. What rules of genetics do you need to use to solve this problem? a. b. Normal lung functioning (R) is dominant while having cystic fibrosis (r) is recessive. Jessica has cystic fibrosis while Jon is a carrier (a heterozygote). Use a Punnett square to predict the probability that one of their children will have cystic fibrosis. C. Genotypic ratio: Phenotypic Ratio:...
A human disease known as cystic fibrosis is inherited as a recessive trait. For example, the...
A human disease known as cystic fibrosis is inherited as a recessive trait. For example, the possible outcomes of a child inheriting cystic fibrosis genes are CC Cc cC cc if the child’s parents had one copy of each version of the gene so the probability of having a disease is ¼. Find the probability that 3 out of 6 children of these parents will have a cystic fibrosis.
Cystic fibrosis is an autosomal recessive disorder. In one population, the frequency of affected individuals (A...
Cystic fibrosis is an autosomal recessive disorder. In one population, the frequency of affected individuals (A 2 A 2) is 0.0004 Assuming that this population is under Hardy- Weinberg equilibrium, calculate all allele frequencies and genotype frequencies. Enter your numerical answers in the boxes below. Express each answer to four decimal places. Frequency of A1: Frequency of A2: Frequency of homozygous dominant: Frequency of homozygous recessive: Frequency of heterozygous
PEDIGREE ANALYSIS Cystic fibrosis is a recessive inherited disorder that affects one in 2,500 people of...
PEDIGREE ANALYSIS Cystic fibrosis is a recessive inherited disorder that affects one in 2,500 people of European descent. People afflicted with this condition have defective or absent protein channels which causes an accumulation of extracellular chloride ions, leading to a buildup of mucus around the lungs and digestive system. This sticky mucus clogs the lungs leading to life-threatening lung infections, and also obstructs the pancreas and causes poor absorption of food. With treatment, individuals can live into their 30's and...
(3 parts for the answers) Cystic Fibrosis Cystic fibrosis is an autosomal recessive disorder that affects...
(3 parts for the answers) Cystic Fibrosis Cystic fibrosis is an autosomal recessive disorder that affects 1 in 3 000 newborns with a Caucasian background. It causes thick mucus build up in various organs and can cause damages and problems in respiratory and digestive systems. --What is the frequency of the cystic fibrosis allele in the Caucasian population? Show all your work and express your answer as a value between 0 and 1 rounded to two decimal places --What percentage...
If a carrier female for cystic fibrosis mates with a normal male (homozygous dominant) what are...
If a carrier female for cystic fibrosis mates with a normal male (homozygous dominant) what are the possible genetic outcomes of their offspring. (Use a punnett square as part of your answer and represent the dominant allele with an “F” and the recessive allele with “f”. Make sure the difference between the alleles is clearly written.) What is the phenotypic ratio of the offspring? What is the genotypic ratio of the offspring? What percentage of offspring will have cystic fibrosis?...
5) Human recessive disease: cystic fibrosis Jane and John are expecting a baby know that they are both carriers (i.e., heterozygous) of cystic fibrosis (Cc). What is the probability that their child will have cystic fibrosis (CC)? What is the probability that their child will be a carrier of cystic fibrosis? Chance of child being: 25 % Homozygous dominant Genotype: 50_%Cystic fibrosis carrier Genotype: 25 % Cystic fibrosis Genotype: 6) Human recessive disease: Phenylketonuria A couple has just found out...
82 GENETICS LABORATORY MANUAL 4. Cystic fibrosis is one of the most common autosomal recessive diseases in people Northern European descent. A mutation in the CF gene affects a protein involved in the transport of chloride and sodium across cell membranes, causing thick mucus and secretions, lung damage, and nutritional deficiencies. The disease is inherited in an autosomal recessive manner, meaning one must inherit two mutated alleles in order to have the disease. Greg does not have cystic fibrosis, and...
3. Cystic fibrosis is a recessive genetic disorder that causes too much mucus to build up in the lungs. What rules of genetics do you need to use to solve this problem? a. b. Normal lung functioning (R) is dominant while having cystic fibrosis (r) is recessive. Jessica has cystic fibrosis while Jon is a carrier (a heterozygote). Use a Punnett square to predict the probability that one of their children will have cystic fibrosis. C. Genotypic ratio: Phenotypic Ratio:...
Cystic fibrosis is an autosomal recessive disorder. In one population, the frequency of affected individuals (A 2 A 2) is 0.0004 Assuming that this population is under Hardy- Weinberg equilibrium, calculate all allele frequencies and genotype frequencies. Enter your numerical answers in the boxes below. Express each answer to four decimal places. Frequency of A1: Frequency of A2: Frequency of homozygous dominant: Frequency of homozygous recessive: Frequency of heterozygous
PEDIGREE ANALYSIS Cystic fibrosis is a recessive inherited disorder that affects one in 2,500 people of European descent. People afflicted with this condition have defective or absent protein channels which causes an accumulation of extracellular chloride ions, leading to a buildup of mucus around the lungs and digestive system. This sticky mucus clogs the lungs leading to life-threatening lung infections, and also obstructs the pancreas and causes poor absorption of food. With treatment, individuals can live into their 30's and...
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