An ultrasound of a pregnant woman detects a fetus and a similarly sized and shaped structure that has disorganized remnants of facial features at one end. Amniocentesis reveals that the fetus is 46,XX, but cells of the other structure are 47,XX,trisomy 2. No cases of trisomy 2 infants have ever been reported. However, individuals who are mosaics for trisomy 2 have a collection of defects, including a rotated and underdeveloped small intestine, a small head, a hole in the diaphragm, and seizures. a. How do the chromosomes of cells from the fetus and the other structure differ? b. What is the process that occurred during meiosis to yield the abnormal structure? c. Why are people with a complete extra chromosome 2 not seen, even though people with an extra chromosome 21 can live many years? d. List two factors that affect the type and severity of abnormalities in an individual who is an aneuploid mosaic

Q: 6. It is also called inheritance or biologlcal inheritance where traits are passed on from parents…

A: Since you have posted multiple questions, we will solve the first question for you. If you want any…

Q: 1. What are some of the medical applications of karyotyping? 2 What kind of chromosomal aberration…

A: Genetic abnormalities are conditions caused by changes to the genes or chromosomes. Inherited…

Q: 4. Consider the characteristics and pedigree of a couple: Woman: has normal vision but mother is…

A:

Q: 6. Look at the following pedigree for a given trait to answer the questions below. || 1 B A KEY: O I…

A: According to Bartleby guidelines, only the first three have been answered. Kindly post the remaining…

Q: What are the four types of changes in chromosomal structure?

A: Chromosomes are filamentous bodies present in the nucleus. They are composed of DNA(…

Q: 7. In man, normal pigmentation is due to a dominant allele "A" and albinism to its recessive allele…

A: Albinism is an autosomal recessive disorder that results in little or no production of a pigment…

Q: 3. STATEMENT: Color-blindness is due to a sex-linked recessive gene. A colorblind man marries a…

A:

Q: 3) A. How are the following proteins involved in cell division: condensing, cohesin, kinetochore…

A: The genotype is a combination of alleles of a gene that gives a person unique characteristics.…

Q: 10. Examine the pedigree from a family with a genetic disease and answer the questions below: 1:1…

A: Pedigree analysis is a graph that depicts a family tree and shows which family members are…

Q: What is example of sex-linked inheritance? Give also its definition

A: Sex linked traits are found on either one of the chromosomes that determine sex or sex chromosomes.…

Q: 3. What is a female carrier in regards to sex-linked inheritance, explain?

A: Sex - linked Inheritance -- In human and other mammals , biological sex is determined by a pair of…

Q: 2. Assuming complete penetrance, which type of inheritance pattern is consistent with the pedigree…

A: Pedigree is a diagrammatic representation of either phenotypes or genotypes of a particular organism…

Q: 1. Identify cach pedigree in a and b as sutosomal recessive or autosomal dominant. Write all the…

A: Pedigree study helps us to understand the mode of inheritance of a particular disease by observing…

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A: Albinism is the genetic disease occured due to abnormal melanin production. Melanin produced is…

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A: Since we only answer 1 question in case of multiple question, we’ll answer the first question as the…

Q: 13. A dominant x-linked allele (B) gives normal color vision but the recessive allele (b) causes…

A: Introduction  When a gene on the X chromosome is mutated, the trait is always manifested in men and…

Q: 3. Cross a man with type B heterozygous blood with a woman with type O blood. What are the possible…

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A: *Autosomal dominant inheritance is a genetic condition  taht can be passed from parent to child that…

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A: Black stallion and the Red mare are breeds of horses.

Q: 6. An X-linked ichthyosis is a recessive form of a family of skin diseases caused by a hereditary…

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

Q: 6) For the pedigree shown below, answer the following questions. I II II I a) What type of…

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Q: 3. The allele for long fur (H) is dominant over the allele for short (h) fur in mice. A mouse with…

A: Long fur is dominant over short fur.

Q: 8. Assume that black fur is dominant to white fur for cats. When a black cat of an unknown genotype…

A: Suppose that the fur color in cats is controlled by: A= dominant allele responsible for black fur a=…

Q: 17.Which among the following statement is NOT TRUE about the theory of inheritance? A. The paternal…

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A: (a) IA, IB and i are alleles which is present on the red blood cells. These are responsible for…

Q: 5. The following recessive traits are found in fruit flies: vermilion eyes are recessive to red…

A:

Q: 7. Take a look at the following families and decide if the trait is autosomal dominant, autosomal…

A: The functional unit of chromosome that transcribes into protein is called gene. And genetic…

Q: #5

A: According to the convention, uppercase letter is used to represent dominant allele and the recessive…

Q: 1. A cross between a black cat and a tan cat results in a tabby cat. A tabby cat is crossed with a…

A: 1. (a)    It is incomplete dominance.

Q: 2 In mammals, males have two different sex chromosomes (X and Y) and females have two similar sex…

A: Sex of an individual human or birds is determined by the presence of specific chromosomes. Usually…

Q: 3. Which correctly describes a genetic trait that is sex-linked in humans? A. The trait appears only…

A: The male chromosome has XY and the females have XX.

Q: 2. In humans, brown eyes are usually dominant over blue eyes. Suppose a blue-eyed man marries a…

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Q: 5. Which of the following statements describe the codominant mode of inheritance? A straight haired…

A: Codominance is the condition where neither allele can mask the expression of the other, that is,…

Q: _6. Which of the following is a phenotype? а. Аа _7. What conditions will guarantee that a male…

A: 1)which of the following is a phenotype? An organisms physical characteristics are reffered to as…

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A: Note: According to the guidelines we are supposed to answer only 1 question (1st question). Please…

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A: CC genotype produces lethal condition. Cc produces creeper. cc produces normal leg.

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A: As per Bartleby guidelines we are only permitted to solve 3 sub parts please post the other…

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A: Since there are three different alleles, there are a total of six different genotypes at the human…

Q: 9. A heterozygous short, homozygous curly haired rabbit is crossed with a long and straight haired…

A: The question given here has asked to perform a dihybrid cross between a Heterozygous Short Haired…

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.