Glucose-6-phosphate dehydrogenase deficiency (G6PD) is inherited as a recessive allele of an X-linked gene in humans. A woman whose father suffered from G6PD marries a normal man.(a) What proportion of their sons is expected to be G6PD?(b) If the husband was not normal but was G6PD deficient, would you change your answer in part (a)

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A: The distance between the two genes N and L  can be surveyed by making crosses and by examining the…

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Q: Now assume that the pedigree shown in question 1 shows the inheritance of a rare genetic disease.…

A: The mode of inheritance is a pattern of obtaining parentral alleles  or genes to the offsprings. 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: Red–green color blindness is an X-linked recessive trait. Susan has normal color vision, but her…

A: Color blindness is defined as the inability of the person to distinguish between colors, especially…

Q: In humans, red–green color blindness is an X-linked recessive trait. If a man with normal vision and…

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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: 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: In humans, the ABO blood type is under the control of autosomal multiple alleles. Color blindness is…

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Q: Could a woman with the X-linked color-blind trait have a son without colorblindness? Use a Punnett…

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Q: In humans, one of the genes determining color vision islocated on the X chromosome. The dominant…

A: Sex-linked disorders generally have genes associated with the X chromosome. It is studied under the…

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

A: 50 percent chances.

Q: Duchenne muscular dystrophy, which is inherited in an X-linked recessive pattern, nearly always…

A: Muscular dystrophy is a group of diseases that cause progressive weakness and loss of muscle mass.…

Q: Two parents who do not have color blindness have a daughter who has only one X chromosome and is…

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A: All mammalian organisms exhibit sexual dimorphism. It means that there is the presence of a male and…

Q: What will be the sex of an individual who is easily affected by an X-linked recessive trait? Why?

A: Sex chromosomes carry the genes to determine the gender of an organism.

Q: Consider the following phenotype for hemophilia, a recessive X-linked blood clotting disorder, in…

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Q: When examining a human pedigree, what features do you look forto distinguish between X-linked…

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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: Which of the following is not a characteristic of X-linked recessive traits in humans?   a.…

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Q: If a man has an X-linked recessive disease, can his sons inherit that disease from him? Why or why…

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A:

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

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Q: What is meant by the term diploid? Which cells of the humanbody are diploid, and which cells are…

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

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A:

Q: A karyotype shows that a child has Klinefelter syndrome (47,XXY). If the child is also colorblind…

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Q: What is the difference between X-linked dominant and X-linked recessive traits?

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Q: man has a child with a woman who does not carry the dominant disease allele, what is the probability…

A:

Q: An unaffected woman, who is heterozygous for an X-linked allele causing Duchenne muscular dystrophy,…

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Q: What must be true for a male individual to be a carrier of a Y-linked recessive allele? A. The gene…

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Q: Could a woman who expresses the x-linked color-blind trait have a son with normal vision?

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Q: Hemophilia A is caused by a recessive X-linked allele that encodes a defective form of a clotting…

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Q: Mary has hemophilia, an X-linked recessive trait. From which of the following individuals could Mary…

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Q: Because red-green colour-blindness is an X-linked recessive condition, which of the following…

A: As you have posted multiple questions we are solving first question for you. If you want rest of the…

Q: Colorblindness is an X-linked trait found in humans. What are the chances that a colorblind man will…

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Q: What features of a pedigree would distinguish between a Y-linked trait and a trait that is rare,…

A: A genetic trait is regulated by genes.

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Q: Colorblindness is an X-linked recessive trait. If a color blind woman is married to a man with…

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Q: Pedigrees indicate that color blindness and which two forms of hemophilia are X-linked traits?

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