Hemophilia is a disease caused by a recessive allele (h), which is found on the X chromosome, non-hemophilia is (H).  A normal man marries a woman that is heterozygous for the trait.  Give the genotypes and phenotypes of all possible offspring?

Q: Could a man with an AB blood type be the father of an O child ?Could a man with an O blood type be…

A: According to the question, we have to explain that could a  man with an AB blood type be the father…

Q: Glucose-6-phosphate dehydrogenase deficiency (G6PD) is inherited as an X-linked recessive gene in…

A: Glucose 6-phosphate dehydrogenase deficiency is inherited as an X-linked recessive gene. Woman has…

Q: A man, Penoy, whose sister died in early childhood from a recessive lethal disease marries a woman…

A: In the given scenario, as the male survived beyond childhood but is a carrier of the disease, it…

Q: Bob and Joan know from a blood test that they are each heterozygous (carriers) for the autosomal…

A: A group of disorder that affects the hemoglobin is said to be sickle cell disease. An individual…

Q: The allele for albinism is recessive to the allele for normal skin pigmentation. All individuals who…

A: An inherited disorder that presents with little or no melanin production, which results in either…

Q: In humans, hemophilia is a sex-linked recessive disease, and the gene is located on the X…

A: Answer: HEMOPHILIA = It is the chromosomal disorder , which sex-linked recessive disease, men are…

Q: A form of hemophilia is caused by a sex-linked (X-linked) recessive gene. A phenotypically normal…

A: 50 percent chances.

Q: A child has a genotype AA, what possible combination of parental genotypes could have produced this…

A: Genotype is the appearance of genes of an individual. Each character in the gene is referred as…

Q: Wild-type giraffes have long necks. Below is a pedigree of a family of giraffes that has a history…

A: The Pedigree shown here is based on autosomal recessive inheritance pattern which means that the…

Q: Hemophilia is a sex-linked trait. If you have a man with hemophilia (Genotype XhY) and a female…

A: Hemophilia is a sex linked recessive disorder. It is a disorder that impairs the body's ability to…

Q: Mark has an autosomal recessive condition called sickle cell anemia, a serious blood disorder that…

A: Sickle cell anemia is an autosomal recessive disorder which ne it can only expression if present in…

Q: In humans, hemophilia is a sex-linked recessive disease, and the gene is located on the X…

A: Hemophilia is a sex-linked recessive disease. This means that in order to produce a diseased…

Q: A man with red-green color-blindness (a recessive, sex-linked condition) has a daughter of normal…

A: Color blindness in the red-green spectrum. A person with red-green colour blindness is unable to…

Q: If someone has Marfan syndrome, what are their genotypes? If that person has children who do NOT…

A: Marfan syndrome is a systemic connective tissue disorder. It is caused by the mutation of…

Q: Albinism is an autosomal recessive condition characterized by absence of melanin pigment from the…

A: Albinism is a group of genetic disorders characterized by a lack of melanin, the pigment that gives…

Q: If a man who has blood type AB marries a woman who is heterozygous for blood type A, which genotype…

A: Blood group inheritance is a kind of inheritance of multiple alleles which involves three alleles…

Q: In a family, the mother has type A blood, the daughter has type O blood, and the son has type B…

A: ABO blood group shows a codominance pattern. It means that neither of the alleles A or B is…

Q: The pedigree below represents the inheritance of a rare genetic disorder (members joining the…

A: The answer is written in explanation box below:Explanation:…

Q: Hypophosphatemia is a dominant genetic disorder caused by a deficiency of phosphates in the blood.…

A: X-linked genetic disorders can either be recessive or dominant. In this example we can conclude that…

Q: Hemophilia is a blood disorder which is sex-linked. A woman carrier has children with a normal man.…

A: In this question, we have to determine the chances for girls and boys with haemophilia .

Q: Tightly curled hair is caused by a dominant autosomal gene in humans. If a heterozygous curly-haired…

A: The major traits of Autosomal inheritance is : trait should not skip generations as well as the…

Q: A woman with blonde hair and blues eyes, which are recessive genes, marries a heterozygous man who…

A: Traits are characteristic features that are unique to particular individual . As per the question ,…

Q: Cystic Fibrosis is an autosomal recessive disorder. A couple are both carriers of the recessive…

A: Cystic fibrosis is an inherited illness which affects the lungs and digestive system. The body…

Q: A patient has two parents with Huntington's disease. They may not have inherited this autosomal…

A: The Huntington's disease is a very rare condition and is an inherited disease which results in…

Q: A man and woman are both heterozygous for the recessive allele that causes cystic fibrosis. What is…

A: We all know that cystic fibrosis is an autosomal recessive disorder that means the genotype of the…

Q: The allele for albinism ( c ) is recessive to the allele for normal pigmentation ( C ). A normally…

A: According to the question, The allele for albinism ( c ) is recessive to the allele for normal…

Q: If the man, from the previous question, is heterozygous for type A blood and the woman, from the…

A: The blood group is determined by gene I. Gene I have different alleles, these are: IA = It…

Q: A man with blood type B marries a woman with blood type A. They have four children with blood types…

A: ABO blood group is a case of multiple alleles and co-dominance. When there are more than two alleles…

Q: A boy with cystic fibrosis (a recessive disorder) is born to a couple who appear to be normal. What…

A: Cystic fibrosis is a hereditary, life-threatening disease that affects the lungs and digestive…

Q: A human child is born with hemophilia (a condition in which the blood does not clot).  Neither…

A: Given: A human child is born with hemophilia (a condition in which the blood does not clot). Neither…

Q: Hemophilia is due to a sex-linked gene. It is recessive and found on the X chromosome. A woman who…

A: Hemophilia is a sex linked recessive trait. Normal = XX, XY, XhX Affected = XhXh, XhY

Q: What are the genotypes of the parents?

A: ABO blood group system is the system that determines the human blood groups based on the inherited…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.