The attached image is a pedigree of a family with a history of sickle cell anemia (the individuals with the filled-in symbols have the disease and no new mutations are occurring in any individual). Sickle cell anemia is inherited in an autosomal recessive manner. What is the probability that the individual with the question mark (?) will get the disease?  a) 1/4 b) 1/2 c) 2/3 d) 1

Q: A young lady requested pre-marital genetic counselling because her sister had died in infancy of…

A: Gangliosidosis refers to a group of lipid storage illnesses caused by the buildup of lipids called…

Q: The following pedigree represents the inheritance of an autosomal recessive disease in a certain…

A: Introduction  Pedigree Analysis: this is the new approach to study the inheritance pattern in the…

Q: a. What type of inheritance is shown in the pedigree? 1 II 1 2 4 II 1 2 3 4 5 IV 1 Identify the…

A: Pedigree is a chart that represents members of a family affected by a genetic trait. Here, squares…

Q: Please help a bit confused

A: STR is defined as the Short tandem repeats, also known as microsatellites or simple sequence…

Q: Brachydactyly type D is human autosomal dominant condition in which the thumbs are abnormally short…

A: Brachydactyly type D is a genetic abnormality, which occurs due to a dominant gene mutation in the…

Q: You have a Drosophila line that is homozygous for autosomal recessive alleles a, b, and c, linked…

A: The Recombinant Frequency tells us about the percentage of or the proportion of recombinants present…

Q: Red-green color blindness is caused by a recessive allele on the X chromosome.  A color blind woman…

A: The mutant gene for colour blindness produces an X-linked recessive trait/ disorder. In sex-linked…

Q: The pedigree below shows a family affected by a disease. Assume that the individuals marked with an…

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

Q: Polydactly is an autosomal dominant phenotype. In this pedigree, I-2 has one copy of the dominant…

A: A condition in which a baby is born with one or more extra fingers is known as polydactyly. It's a…

Q: cular country in sub-Saharan Africa, a medical study revealed that 0.075% of the country's…

A: Given; The study done in sub Saharan country.0.075% of the country's population are suffering from…

Q: What is the most likely mode of inheritance for the attached pedigree?

A: Pedigree analysis is the process by which we can clearly analyse and observe the mode of inheritance…

Q: ake the example of B-thalassemia, an autosomal recessive genetic disease that particularly affects…

A: A point mutation is a change in the single nucleotide pair of DNA.

Q: The pedigree below shows the inheritance of an autosomal recessive disorder in humans. Which of the…

A: Pedigrees are used to analyze the pattern of inheritance of a particular trait throughout a family.…

Q: Tay Sach's disease results from a mutation in the hexosaminidase A gene.  Heterozygotes are normal.…

A: Correct option is recessive lethal .

Q: The following pedigree shows the inheritance of a disease due to a completely penetrant sex-linked…

A: Sexual intercourse refers to genetic patterns that are specific to the gender in which the genetic…

Q: Imagine that you are a genetic counselor, and a couple planning to start a family comes to you for…

A: During gamete formation, two alleles of a gene segregate into different gametes. This is based on…

Q: If a recessive mutation kills an individual during the early stages of its development, what is the…

A: Inheritance Inheritance is defined as the process of passing traits from parents to offspring. It…

Q: A pedigree analysis was performed on the family of a man with schizophrenia. Based on the known…

A: Schizophrenia is a mental disorder wherein the affected individual is unable to interpret reality…

Q: Thalassemia is an inherited anemic disorder in humans. Affected individuals exhibit either a minor…

A: BASIC INFORMATION  THALESSEMIA  it is a type of genetic disorder which originated in Mediterranean…

Q: Anastasia was the youngest daughter of Czar Nicholas II of Russia. She had no known children, and…

A: Haemophilia is a sex-linked recessive disorder. The abnormal gene responsible for haemophilia is…

Q: The pedigree shows inheritance of an autosomal recessive disease in an extended family. Assume…

A: Although the trait is skipped in the pedigree, autosomal recessive inheritance is discovered. The…

Q: Phenylketonuria (PKU) is a disease that results from a recessive gene.Suppose that two unaffected…

A: Phenylketonuria (PKU) is a genetic disorder that arises due to a mutation in the PAH gene.   it is a…

Q: Is this pedigree dominant or recessive. Which best defines this pedigree Autosomal or sex-linked?

A: Introduction :-  A pedigree is a diagram of family history that uses standardized symbols for…

Q: Shown below is a pedigree for Phenylketonuria (PKU), an autosomal recessive metabolic disorder. The…

A: Phenylketonuria (PKU) is an autosomal recessive disorder.  Autosomal recessive trait…

Q: The pedigree below tracks the inheritance of a genetic disorder through a family's generation. I II…

A: This given pedigree has three generations (I, II, III) and nine individuals.  Among them, five…

Q: Chands syndrome is an autosomal recessive condition characterized by very curly hair, underdeveloped…

A: A pedigree is a diagram of family relationships that uses symbols to represent people and lines to…

Q: What is an allelic mutation?

A: Gene is a unit of heredity that is transferred from 1 generation to another, from parents to their…

Q: What is the mode of inheritance shown in this pedigree?

A: Inheritance is the process of passing or traits from the parents to the offspring  Factor affecting…

Q: three children. What is the probability that one their children will be normal (unaffected) and two…

A: Autosomal recessive mutation leads to autosomal recessive disorder. This will occur when you…

Q: Acatalasia is caused by a rare autosomal recessive gene. In heterozygous condition catalase activity…

A: Acatelasia is a genetically inherited disorder that causes lowering or absence of production of the…

Q: An STR on chromosome 9 is immediately adjacent to a gene involved in a dominant blood disorder (only…

A: Short Tandem repeats (STR): This are short repeated DNA sequences in a human body. This accounts for…

Q: This pedigree traces the inheritance of a rare disease in humans. a. Based on this pedigree, is the…

A: Answer is given below.

Q: Phenylketonuria (PKU) is a disease that results from a recessive gene. Suppose that two unaffected…

A: Phenylketonuria (PKU) is a genetic disorder that arises due to a mutation in the PAH gene. it is a…

Q: How does a positive ASO test for sickle-cell anemia determine that an individual is homozygous…

A: Sickle cell anemia:                  Sickle cell anemia is a genetic disorder of red blood cells. In…

Q: On occasion, a trait that appears to be autosomal is produced in unexpected ratios in male and…

A: The trait is defined as the specific or particular characteristic of an organism. Traits can be…

Q: A rare disease is found in a family as shown in the pedigree below. Assuming complete penetrance,…

A: Genetic inheritance is the process of transfer of genetic information from the parents to progeny…

Q: The pedigree below shows inheritance of a particular autosomal trait across three generations. Males…

A: Pedigree is a family tree that is made up of symbols and line. Pedigree represents person’s family…

Q: The pedigree pictured is of an extended family where a large percentage of family members develop…

A: Colon cancer , a form of cancer which starts in the large intestine and spreads throughout the body…

Q: This pedigree shows the segregation of a rare disease in a family. What is the most likely mode of…

A: Answer: PEDIGREE CHART : It is the genetic chart of the generations which is used to study the…

Q: Marfan syndrome is a rare inherited human disorder characterizedby unusually long limbs and digits…

A: Marfan syndrome is a genetic disorder of connective tissues. In this, the connective tissues present…

Q: In mice the autosomal genotype yy is for gray fur, YY is for brown fur and Yy is for yellow fur.…

A: We are authorized to answer only one question at a time, since you have not mentioned which question…

Q: Galactosemia is a recessive human disease that istreatable by restricting lactose and glucose in the…

A: Gene: Genes are genetic material that passes from parents to progeny. The dominant allele can…

Q: What is the mode of inheritance of this pedigree and why?

A: Pedigree is the diagrmatic representation of the individual in the family with respect to a…

Q: What is the Characteristic pedigree for mitochondrial disease?

A: The genes located on the nuclear chromosomes obey the Mendelian law of inheritance. In the human…

Q: Assume that a particular unusual phenotype is caused by an autosomal recessive allele. John marries…

A: Pedigree is a representation in the form of a diagram or family tree of inheritance of genetic…

Q: In humans, the gene for albinism (a) is recessive to the gene for normal skin pigmentation (A).…

A: An allele is a variant form a gene and is present in two forms: dominant and recessive. The dominant…

Q: From this information, Niemann-Pick disease is an example of: A) variable expressivity B)…

A: The branch of science which deals with the the study of heredity and variations is called genetics.…

Q: Pedigree A: YES or NO Could this trait be inherited as a simple autosomal recessive? Could this…

A: