You discovered that a new genetic disorder is due to the trisomy of chromosome 12. A trisomy is most likely caused by:   Nondisjunction Chromosome deletions Chromosome duplications Chromosome translocations

Q: Exchange of genetic information between two non-homologous chromosomes is called? Inversion…

A: Introduction Chromosome:- A structure found inside the nucleus of a cell, It is an organized package…

Q: Can simple translocations ever be balanced? I know with reciprocal translocations that if you're…

A: Exchange of genetic information between different parts of the chromosome is called genetic…

Q: In FIG. 5. at the arrow, you will see that there are genes (black) on these chromosomes. The genes…

A: The passage describes an Investigative Science activity about chromosomes and genes. It refers to…

Q: The Y chromosome contains large amounts of constitutive heterochromatin. Why might there be more…

A: Constitutive heterochromatin is generally found in the centromere regions and also, at the telomere…

Q: where is the chromosome abnormality? (chromosomes 1-23)

A: The chromosomal abnormality is the result of errors in the cell division following meiosis or…

Q: Describe two differences among these chromosomes.

A: Chromosome mapping is the arrangement of the chromosomes. Genetic mapping provides a clue about the…

Q: Describe how errors in chromosome structure occur through inversions and translocations

A: Changes  which affects the structure of the chromosomes leads to growth and developmental problems…

Q: Why are there no humans with monosomy 22? because chromosome 22 is very small, it is very stable and…

A: The correct option is shown below.

Q: No disjunction is the reason we get chromosome number anomalies. Explain?

A: Chromosomes are present in the nucleus of the cell and are actually a compilation of the cell’s DNA.…

Q: Lois and Peter, who are each NOT trisomic for chromosome 21, are awaiting the birth of a 2nd child…

A: *Given that Lois and Peter are not trisomic for chromosome 21. * The probability of Down syndrome is…

Q: When recombination (“crossing over”) doesn’t happen correctly, what type(s) of mutations that can…

A: Crossing over is a process of exchange of chromosomal segments between the non-sister chromatids of…

Q: ..

A: In trisomy 21 extra chromosomes changes the baby's development of brain and body.  It can be both…

Q: You are a gene hunter, trying to find the genetic basis for a rare inherited disease. Examination of…

A: It is given that the rare inherited disease is co-inherited with the markers on the chromosome 7 for…

Q: Describe the effects of deletions, duplications, inversions,and translocations on chromosome…

A: Introduction Mutation: any changes in the sequence in the genetic material which leads to disorders…

Q: The two telomeric loop structures are formed by invasion of the 3' single-strand overhang. Draw the…

A: The chromosomes of the eukaryotes end in telomeres, which consist of tandem repeats of a short…

Q: Explain how an individual can have Down's Syndrome, and a karyotype that reveals 46 chromosomes.…

A: A genetic disorder is a condition that is caused in whole or in part by a deviation from the…

Q: Why is random assortment of chromosomes necessary? What can we expect if this does not occur?

A: When reproductive cells mature, the Principle of Independent Assortment outlines how various genes…

Q: Why do you think there are no viable trisomies of chromosome 1?

A: Chromosome 1 is the largest chromosome in human. Approximately 8% of the total DNA is found in this…

Q: howing statemen is/are only best answer. All three of the other statements are true. Genome…

A: Genome rearrangements can be caused by errors during Meiosis-True When a pair of homologous…

Q: Which types of mutations cause (1 word)  a. Increase amount of genetic material in particular…

A: a. Duplication mutations: These mutations result in the duplication of a segment of DNA, which can…

Q: A rare form of dwarfism that also includes hearing loss was found to run in a particular family. It…

A: The inheritance patterns explain how a disease is transmitted in families. These patterns help to…

Q: Explore some of the different genetic disorders located on each chromosome. Find one you are…

A: Genetic disorder is caused due to mutation in DNA.They are heritable.…

Q: Which of the following is described as a structural rearrangement of a chromosome in which a broken…

A: Chromosomal rearrangements consist of different events- deletion, duplication, inversion, and…

Q: Chromosomal Abnormalities Name of Abnormality Number of Classification Affected Description…

A: Chromosome abnormalities are caused by the mutations due to an error in cell division which either…

Q: What do you call a chromosome where its centromere is 3/4 from the end of the chromosome

A: Chromosomes are found in nucleus of cells and consist of DNA tightly bound into thread like…

Q: How is it still balanced if, let's say we have 100% chromosome A and 100% chromosome B. In simple…

A: Translocation is a phenomena in which genetic material is transferred from one chromosome to be…

Q: Distinguish

A: Chromosomal abnormalities:-Almost every cell in our body contains 23 pairs of chromosomes, for a…

Q: Draw and describe FIVE (5) types of chromosome structural changes

A: After the birth or during the fetal development of zygote or during spermatogenesis or oogenesis…

Q: If a father is unaffected by an X-linked condition and the mother is a carrier, what is the…

A: Genetics is the branch of biology that deals with the study of heredity and variations. Gregor…

Q: Examples of changes that occur to chromosome structure?

A: Chromosome is a long DNA molecule with part or all of the genetic material of an organism.

Q: By using a diagram illustrate the condition that leads to Down syndrome (2n=47,extra copy of…

A: Down syndrome is congenital autosomal genetic disorder due to the trisomy 21 number  chromosome,…

Q: Barr Bodies, Sex Chromosomes and Diploid Number Number of Barr Bodies Phenotypic Sex of Individual…

A: BARR BODY It is an inactivated, condensed X chromosome found in female cells. Barr bodies are…

Q: This is a diagram of chromosome 17. What is the cytogenetic coordinates of a gene at the indicated…

A: Here, Cytogenetic coordinate of a gene means the position of a gene on a chromosome. A chromosome…

Q: Mutation

A: A) Genetic in drosophila have provided a wealth of information about a variety of cellular and…

Q: approximate and base pairs) between the largest and s

A: Chromosome- A structure found inside the nucleus of a cell is refers as the chromosome.  It is made…

Q: Use the chromosome image, where the letters represent genes, to match the statements with their…

A: Crossing over is a process where the few segments of genes are exchanged between two homologous…

Q: Sue's chromosome #18 pair looks like this: Bob's chromosome #18 pair looks like this: Bob and Sue…

A: In non disjunction, there is failure in separation of chromatid. This non disjunction can cause…

Q: Describe how errors in chromosome structure occur through inversions and translocations

A: Chromosomal aberrations are changes that took place in chromosome structure. It affects more than…

Q: In 1-2 sentences and in your own words, define the term recombination

A: Recombination in biology is an important word. It is required for creating variations in the gene.

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.