Wilma and Wally have one male child who has been diagnosed withDuchenne muscular dystrophy, an X-linked condition that results insevere atrophy of skeletal muscle. Neither parent has this condition.What is the probability that their next child will have Duchenne musculardystrophy?

Q: Hemophilia is a typical example of Sex-Linked Inheritance. If the man is hemophilic and marries a…

A: Haemophilia is also known as bleeder's disease. This disease was first studied by John otto in the…

Q: Amelogenesis imperfecta (AI) is a disorder of faulty tooth enamel formation. It is inherited in an…

A: Amelogenesis imperfecta A faulty tooth enamel formation. Dominant traits Autosomal dominant allele…

Q: X-linked ichthyosis is an X-linked recessive trait that manifests in part as dry, scaly skin…

A: If one allele is missing it is hemizygous. Heterozygous is the presence of two different alleles at…

Q: What is the probability that a carrier wom en will transmit an abnomal X-linked gene to her son?…

A: Pedigree analysis is the pattern of analyzing the inheritance of disease/disorder from one…

Q: Dick has red green color blindness.  Debi does not have color blindness and is homozygous for this…

A: The functional unit of inheritance is called a gene. Genes are the sequence of nucleotides that are…

Q: As Ashley cares for her son, she notices some problems in his development. During one of the baby’s…

A: Duchenne muscular dystrophy (DMD) is a genetic disorder characterized by progressive muscle…

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: Amelogenesis imperfecta (AI) is a disorder of faulty tooth enamel formation. It is inherited in an…

A: The trait shown is inherited both autosomal dominant and X-linked; the presence of the dominant gene…

Q: Hemophilia is another example of a X-linked disease caused when a recessive allele (Xh) is…

A: Hemophilia is a disorder where blood clots do not form normally which leads to excessive bleeding…

Q: Mr. and Mrs. Smith, both 40 years of age, are healthy with no knowngenetic conditions. Their newborn…

A: Down syndrome is defined as the condition in which an individual contains an extra chromosome. In…

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 phenotypically normal man, who has a hemophiliac brother, marries a normal woman, who is not a…

A: Hemophilia is an X-linked recessive disorder so, an individual inherits this disease from his mother…

Q: Please explain Androgen Insensitivity Syndrome (ALS). What is the phenotype of these individuals?…

A: The common etiology of aberrant sexual development, androgen insensitivity syndrome, results in a…

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

A: 50 percent chances.

Q: Please select all of the following that are x- linked disorders. O Cystic Fibrosis red-green color…

A: X linked disease  X linked are those which transfer through X chromosome.

Q: In a cross between an individual with Huntington disease and an unaffected individual, what are the…

A: Huntington disease is a progressive brain disorder that causes uncontrolled movements, emotional…

Q: Hemophilia is an X-linked recessive disorder and blood type is autosomal.  If two healthy parents,…

A: Introduction  X linked inheritance is based on the sex chromosome (X chromosome). This inheritance…

Q: Explain why Down syndrome is more common in infants born to women older than 35 years of age?

A: A genetic disorder characterized by abnormal cell division in child resulting in extra (whole or…

Q: How can a female carrier of an X-linked recessive disorder have a daughter who is affected?

A: The transmission of X-linked disorders takes place by passing the defected X chromosome to the…

Q: Constructing and Using a Pedigree Duchenne's muscular dystrophy (DMD) is a well known, lethal…

A: A pedigree chart is a graphic that depicts the incidence and emergence of phenotypes of a gene or…

Q: The father of five children begins to show symptoms of huntington disease. what is the probability…

A: Huntington disease is a type of genetic disorder that is characterized as a non-dominant disorder…

Q: An affected daughter An unaffected daughter Ginger is pregnant with a fifth child, a son.  What is…

A: Lalaphobia is a genetic disorder, that causes the fear of speaking. It is a sex-linked recessive…

Q: Amelogenesis imperfecta (AI) is a disorder of faulty tooth enamel formation. It is inherited in an…

A: Genes are the unit of inheritance that transfers traits from one generation to another. Genes coding…

Q: Hemophilia is another example of an X-linked disease caused when a recessive allele (Xh) is…

A: Hemophilia is a bleeding disorder;which shows X linked recessive pattern of inheritance as the…

Q: If a normal male reproduces with a heterozygous normal female, what are the expected genotypes and…

A: Hemophilia is a common hereditary coagulation blood disorder due to deficiency or reduced activity…

Q: Hemophilia is an X-linked recessive gene. A normal woman who is a carrier for hemophilia marries a…

A: Hemophilia is a disorder in which blood can’t clot properly, excessive bleeding (external and…

Q: If both parents carry one copy each of the mutation that causes Huntingtons , what are the odds that…

A: Huntington disease is the neurodegenerative disorder, it causes breakdown of nerve cells in the…

Q: Explain why trisomy X is not a lethal condition.

A: A female who has an additional X chromosome at birth is said to have triple X syndrome.  It might be…

Q: Kelly and Sam are both unaffected carriers for two autosomal recessive disorders, PKU (chromosome…

A: Sir Gregor Mendel was a priest and a teacher who did the famous hybridization experiment on garden…

Q: What is the most common chromosomal disorder?

A:

Q: How can a female carrier of an X-linked recessive disorder have a daughter who is affected?

A: Recessive inheritance indicates both genes in a pair abnormal to cause disease, with only one…

Q: Amelogenesis imperfecta (AI) is a disorder of faulty tooth enamel formation. It is inherited in an…

A: Amelogenesis imperfecta (AI) is a disorder of faulty tooth enamel formation. It is inherited in an…

Q: Can a woman who is type AB and a man who is type AB have a child who is type O? use punnett…

A: Punnett square a. A Punnett square is a diagram that can calculate the percentage of genotypes for…

Q: Can a son be a carrier for an X-linked trait? Explain.

A: The genetic makeup of an offspring is determined by the genetic makeup of both parents; that is, the…

Q: healthy/non-carrier woman, what is the probability of them having 4 healthy children? ther suffered…

A: X-linked diseases are passed from the father to the daughter, if Eloise's grandmother had an…

Q: Red-green colorblindness is a X-linked recessive disorder. Jill has normal vision but her dad was…

A: Red-green colour-blindness is X-linked recessive genetic disorder. The colour-blind gene is denoted…

Q: Color-blindness is an X-linked, recessive trait. If a normal-sighted woman, whose father was…

A: These are the mode of inheritance in which a mutation in a gene X causes the phenotype to be always…

Q: It is determined that Elsa is experiencing beta-thalassemia major. Which of the following statements…

A: Beta thalassemia is a serious disorder that is responsible for reducing the amount of hemoglobin as…

Q: Huntington's disease is caused by a autosomal dominant that is lethal in embryos in the homozygous…

A: Alleles are the alternative forms of a gene that are located on the same locus of a homologous…

Q: Your brother has an autosomal recessive disorder, while you are unaffected. Neither one of your…

A: Question - Your brother has an autosomal recessive disorder, while you are unaffected. Neither one…

Q: hemophilia is a sex linked recessive disease. Dick does not have hemophilia. His wife Debi is a…

A: Hemophilia is a sex-linked recessive disease; it will only be expressed in a homozygous condition of…

Q: A boy with Klinefelter syndrome (47,XXY) is born to a motherwho is phenotypically normal and a…

A: The genome is the whole set of chromosomes in an individual. Abnormalities, whether minor or major,…