Assume that the Holliday junctions resolve so that there is no crossing over (that is, there is no recombination). For the maternal chromosome list all of the possible base identities at the three positions after the cell repairs any mismatches. Do the same for the paternal chromosome.”

Q: Diploid somatic cells of elephants have 56 chromosomes. If nondisjunction of one of a male…

A: Meiosis is defined as the reductional division wherein the parent cell divides into 4 daughter cells…

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: Diploid Number of chromosomes, Sex Chromosomes, (+/- whole) Chromosome (+/- partial) e.g. 47, XY,…

A: Human cell contains 23 pairs of chromosomes.  22 autosomes and 1 pair of sex chromosomes. Human male…

Q: In the following schematic drawing of a Holliday junction,one chromatid is shown in red, and the…

A: a) Cuts should occur at positions 2 and 4 to get recombinants. A Holliday model can be resolved in…

Q: A woman with no phenotype is known to have a 14:21 translocation. Please answer questions 1 and 2.…

A: Between two acrocentric chromosomes where the centromere is at one end of the…

Q: The orange coat color allele in cats is located on the X chromosome and is one of two genes…

A: The two variants of coat color found in cats are orange and black. The alleles responsible for these…

Q: A reciprocal translocation between chromosome 1 and 2 in Drosophila resulted in AB//CPQR and…

A: After reciprocal translocation, Chromosome 1 - AB//CPQR Chromosome 2 - MN//ODEF

Q: Suppose a man carries a very uncommon dominant mutation for a deadly muscular disease that doesn't…

A: Introduction: Genetics is one of the most advanced disciplines of science. The field of genetics is…

Q: 14 13 1a 131 is a diagram of chromosome 17.

A: A chromosome is a long DNA molecule that contains part or all of an organism's genetic material.…

Q: Domesticated sheep cells have a total of 54 chromosomes (versus 46 chromosomes in human cells). (a)…

A: Chromosomes are the structures that carry DNA.

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: Draw a Punnett square for the dihybrid cross described below (it is the same story as given for…

A: X linked characters are those where the the gene in question is located on the X chromosome. Females…

Q: Draw the Prophase I pairing conformation that would result from this translocation.  The four types…

A:

Q: Diploid Number of chromosomes, Sex Chromosomes, (+/- whole) Chromosome (+/- partial) e.g. 47, XY,…

A: Down syndrome is a genetic disorder that generally associated with the physical growth delays,…

Q: What kind of chromosomal mutations is/are produced by unequal crossing over?

A: Chromosome mutations are changes that arise in chromosomes as a result of nuclear division mistakes…

Q: The karyotype of a young girl who is affected with Down syndrome revealed that she has 46…

A: Changes or alterations in the genetic material of an organism that lead to mutations. Mutations are…

Q: Including the sex chromosomes, the chromosome number of a normal human cell is and the chromosome…

A: Henrietta lacks was an Afro American female who was suffering from a unique and aggressive cervical…

Q: kangaroos, the somatic cells are diploid, having 22 chromosomes. How many chromosomes are present in…

A: Every cell of our body is diploid. Germinal cells are diploid too but they undergo meiosis when…

Q: A normal female is discovered with 45 chromosomes, one ofwhich exhibits a Robertsonian translocation…

A: Introduction: Addition, deletion, inversion, and translocation of chromosomal segments are all…

Q: (a) A person with Down syndrome. She has 47 chromosomes rather than the common number of 46, because…

A: Chromosomes are the thread-like structures that appear during cell division due to the condensation…

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.