Salim and Sara are contemplating having children, but Salim’s brother has galactosemia and Sara has a sister who has three children, none of whom is affected. Sara dad has no history in his family of any sign of the diease and it is assumed to be homozygous normal. What is the probability that salim and saras first child will have galactosemia?

Q: a) X³ X5 X²Y A Figure 1 Name the pattern of inheritance in figure 1.

A: A pedigree chart illustrates a family's genetic history in graphical form by demonstrating the…

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: 1 2 3 4 5 i、月 6 8 9 10 11 12 13 14 15 16 17 18 19 20 Y 21 22

A: Karyotyping is the process by which photographs of chromosomes are taken in order to determine the…

Q: Glucose-6-phosphate dehydrogenase deficiency (G6PD) is inherited as a recessive allele of an…

A: G6PD deficiency is a genetic abnormality that occurs when an inadequate amount of…

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: Given in the photo is a family that has a history of phenylketonuria (PKU). Couple 1 Couple 2 PKU…

A: Genes Genes are the sequence in the DNA that code for perticular enzyme or protein.

Q: Julie (a female) has hemophilia. Based on this information, what can we say about the genotypes of…

A: Introduction X-linked diseases are those that occur due to the presence of abnormal/ diseased…

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: Kate and her husband are both heterozygous for galactosemia gene. If Kate and her husband have four…

A: A group of hereditary disease known as galctosemia which means galactose in blood. Undigested…

Q: Mrs. Dee (40 years old) and her husband have an amniocentesis for advanced maternal age. They…

A: The amniocentesis is performed for the genetical analysis of the fetus. It helps in the early…

Q: Is this pedigree recessive or dominant? Is it autosomal or sex-linked?

A: Pedigree is defined as the diagrammatic representation of individuals of a family for a particular…

Q: this disorder? (Is it autosomal dominant? Autosomal recessive? X-linked dominant? X-linked…

A: Inheritance inheritance is described as a pattern of transfer of genes from the parental generation…

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

A: 50 percent chances.

Q: Pompe disease is a glycogen storage disorder caused by a lack of ⍺-glucosidase, the enzyme that…

A: Introduction  A rare disorder called glycogen storage disease (GSD) affects how the body consumes…

Q: Salim and Sara are contemplating having children, but Salim’s brother has galactosemia and Sara’s…

A: Introduction  Galactosemia is the autosomal recessive disorder. The affected individual is unable to…

Q: A human female heterozygous for X-linked trait causing red-green color blindness marries a red-green…

A: Red Green Colour Blindness:  Red-green color blindness is a type of color vision deficiency where…

Q: cell anemia is inherited as an autosomal recessive trait. For the following families, hine the…

A: Sickle Cell anaemia is an autosomal recessive disease which means that two alleles are required to…

Q: Drosophila females of wild-type appearance but heterozygous for three autosomal genes are mated with…

A: Let us represent the alleles responsible for wildtype eyes, wildtype bodies, and wildtype thoraxes…

Q: Why can a person carrying a translocation be normal except for theinability to have children?

A: Translocation is a hereditary change were a piece of one chromosome servers and connects to another…

Q: Neurofibromatosis-1 (NF1) is an autosomal dominant disorder where tumours form in the base layer of…

A: The probability is 1/4

Q: A woman with achondroplasia (a dominant form of dwarfism) anda phenotypically unaffected man have…

A: On the basis of the given conditions, we can assume that there are 50 percent chances of the…

Q: Why is autosomal Monosomy lethal?

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

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: 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: From this pedigree is it dominant or recessive. Is ur autosomal or sex-linked?

A: Pedigree is define a diagrammatic representation of the individuals of a family for a particular…

Q: Albinism and sickle cell anemia are both autosomal recessive disorders that are expressed only in…

A: Albinism - genotype be A and a.  aa is diseased, Aa is the carrier and AA is not affected.  Sickle…

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: ne, seizures, poor muscle tone, and progressive kidney failure which was ultimately fatal. His older…

A: PEDIGREE ANALYSIS Pedigree analysis is used  to comprehend how genes are passed from parents to…

Q: What is incomplete penetrance and what causes it?

A: Introduction  Any gene have two alleles pairs viz. Dominant or Recessive. The allele which gets…

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: Assume that color blindness is a recessive character on the X chromosome. A man and woman with…

A: Introduction  Inheritance referred to the transmission of character/traits in the form of gene from…

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: Consider the following pedigree, which traces the inheritance of a single-gene hereditary disease.…

A: Single gene herediary diseases are mainly caused by a change of any one gene in a particular DNA.Its…

Q: Sickle cell anemia is inherited as an autosomal recessive condition. It also exhibits incomplete…

A: Sickle cell anemia (SCA) is a genetic disorder that occurs when an individual has two homozygous…

Q: For each of the listed modes of single gene inheritance (assuming complete penetrance), indicate…

A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: A woman is affected with Prader-Willi syndrome due to a deletion that includes both the Angelman…

A: Both the Prader-willi syndrome and Angelman syndrome is caused by deletion of of longer arm (q arm)…

Q: In examining a large sample of yeast colonies on a petridish, a geneticist finds an abnormal-looking…

A: It has been observed that there is an equal amount of segregation that takes place within a…

Q: What feature(s) of this pedigree indicate(s) X-linked recessive inheritance?

A: The pedigree is the family tree diagram used to represent the pattern of inheritance in the family.…

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.