Huntington's disease is a late-onset autosomal dominant disorder. What is the chance that a heterozygous woman with the disease will pass the affected allele on to her children? 0% 75% 100% 25% 50%

Q: Red-green colour blindness is a sex-linked trait. Red-green colour blindness (Xrg) is the inability…

A: Color blindness occurs when you are unable to see colors in a normal way. It is also known as color…

Q: An unaffected man and an unaffected woman mate and have a son affected with Kakamania. Which of the…

A: Answer: Chromosomal Inheritance is the process of transferring the genetic information from parents…

Q: Huntington disease is a rare dominant disorder that causes neurodegeneration later in life. In a…

A: Huntington's disease is. also known as Huntington's chorea.  It is a rare and progressive…

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: Genes involved in sex-limited inheritance are found in autosomal genes? True or false

A: A gene is heredity's fundamental physical and functional unit. DNA is the material that makes up…

Q: Inigo Montoya is healthy but his mother had the recessive condition, cystic fibrosis, which is…

A: Cystic fibrosis is a disease that is inherited in an autosomal recessive manner. An affected…

Q: What is the probability that Mike is carrier? 1/6 1/4 1/3

A: A change in the DNA sequence of an organism leads to a genetic disorder. Many factors are…

Q: Describe the genetics of Huntington's Disease (choose all that are correct): X-linked…

A: Answer -  AUTOSOMAL DOMINANT RARE Huntington's disease is an autosomal dominant disorder.…

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

A: 50 percent chances.

Q: Two affected daughters and two normal sons are born to an affected male and a normal female. Each of…

A: The pedigree analysis helps us identifying the mode of inheritance of a particular disease and it…

Q: A female has a family history of Duchenne muscular dystrophy, a recessive sex- linked condition that…

A: Since, the disorder is sex linked recessive, we have,  Genotype of affected female - XDXD Genotype…

Q: Zoe's parents were both heterozygous for the recessive cystic fibrosis allele. Zoe has cystic…

A: Cystic fibrosis is an Autosomal recessive inheritance. It is encoded by the genes present on the…

Q: Huntington's disease is characterized by a late onset of nerve degeneration that leads to death.…

A: Huntington's disease is caused by the dominant allele as given in the question.

Q: Why is autosomal Monosomy lethal?

A: Most living species have DNA as their genetic material. It is the cell's information centre,…

Q: Hereditary canine spinal muscular atrophy (HCSMA) is a motor neuron disease in Brittany Spaniels.…

A: Hereditary Canine Spinal Muscular Atrophy (HCSMA), a motor neuron disease affecting Brittany…

Q: an unaffected woman who is heterozygous for the x linked allele causing duchenne muscular dystrophy…

A: Inheritance is the process of transmitting the traits from parent to offspring. Traits of an…

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 both parents have an autosomal dominant trait, what can you say about their children? Explain

A: Autosomal dominance is a pattern of inheritance character of some genetic dis order. Autosomal…

Q: A woman heterzygous for color blindness (an X-linked recessive allele) marries a man with normal…

A: Color blindness is inherited as a recessive trait on the X chromosome. This is known as X-linked…

Q: Red-green colour blindness is a sex-linked trait. Red-green colour blindness (Xrg) is the inability…

A: A structure of colorblindness in which red and green are saw as indistinguishable. This is the most…

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: Unattached earlobes is dominant to attached earlobes. Two parents, both with unattached earlobes,…

A: The answer is 25%

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: 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: A man has six digits on each hand and foot (an autosomal dominant trait).  His wife and first…

A: A condition in which an individual has more than 5 digits is known as polydactyly. Polydactyly is an…

Q: Red-green colour blindness is a sex-linked trait. Red-green colour blindness (Xrg) is the inability…

A: Given: Red-green color blindness is a sex-linked trait. Red-green colour blindness (Xrg) is the…

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 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: Using just the information on this pedigree, is Huntington’s disease caused by a dominant allele or…

A: As per the honor code, we answer only three sub-parts at a time. So, we are answering the first…

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: A female has a family history of Duchenne muscular dystrophy, a recessive sex- linked condition that…

A: Sex linked recessive: 1. In case of sex linked recessive disease trait should skip generation. 2.…

Q: What are the odds of the person with sickle cell anemia disorder passing it on to their children if…

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

Q: Along with the trait in the pedigree, individual IV-6 and the woman are also both heterozygous for…

A: A pedigree is a genetic representation of a family tree that shows how a trait or disease is passed…

Q: A normal woman has a father who has red-green colour blindness. She had a child with a man who does…

A: Correct answer: (c) 0.25 Color blindness is a X- linked recessive disorder When we cross a normal…

Q: This time Miley has a child with Dawson (it is a big scandal). Neither Miley nor Dawson has Wilson's…

A: The given pedigree shows inheritance of the disease from unaffected parents to affected children.…

Q: Draw a Punnett square for a female who is a heterozygote and a male who is a dominant homozygotes.…

A: Genes are hereditary units in the DNA. These genes can be present in two versions called "dominant"…

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: recessive (aa) for the attached earlobe gene, what is the probability that their second child will…

A: Punnett square is considered a method that is used widely for the prediction of different genotypes…

Q: what is the probability that a couple (both heterozygous for the same recessive mutation) will have…

A: “Homozygous defect” takes place If the type of “deleterious mutation” is the same in both copies of…

Q: A man affected with HoHomania and a woman affected with HoHomania mate and have an unaffected son.…

A: Genes are the basis of genetic inheritance and they store genetic information passed on from the…

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.