A Calico cat (orange and black striped fur) is born with Klinefelter syndrome (XOXBY) from parents that were an orange fema cat (XOXº) and a black male cat (XBY). This Klinefelter calico cat could have arisen from a nondisjunction event at the meiotic division in the (NOTE: more than one answer may apply so mark ALL correct answers) ---- O first division, mother O second division, mother O first division, father O second division, father

Q: Duplications and deletions can be detected during meiosis by the presence of extrachromosomal loops…

A: Mutation are the abrupt changes that occur in the DNA sequence resulting in altered phenotype.…

Q: Very rarely, one member of a pair of identical (monozygotic) twins will have Turner syndrome (XO)…

A: A chromosomal disorder in which a female is born with only one X chromosome leading to developmental…

Q: True or False On Average, half of the gametes produced by one or more crossovers between non-sister…

A: Recombination is the process by which meiosis produces gametes with different allelic combinations…

Q: Starting with a 2n = 32 cell, at the end of meiosis II there will be Multiple Choice two cells; each…

A: Meiosis is a type of cell division that produces four genetically diverse haploid daughter cells…

Q: A cross was performed between a female curly winged fly and a normal (straight) winged male fly.…

A: As per the question, a cross was performed between a female curly winged fly and a male straight…

Q: A parent has the genotype PpLl for two independently assorting genes. What are all the possible…

A: According to Mendel's independent assortment law, the parent who has the genotype PpLl for two…

Q: Though an individual with abberations such as Robertsonian translocation may be phenotypically…

A: Meiosis is defined as a process where a single cell will divide twice to generate four cells that…

Q: (a) (b) P generation Beardless O F, generation Bearded O Bearded ? Beardless Y B*B+ B*Bb B*Bb BbB b…

A: Sex influenced traits-  such a treat present in both sexes ( male and female) however in one sex it…

Q: An individual that is homozygous AABBcc is crossed to an individual that is homozygous aabbCC…

A: A chromosome is a highly condensed form of DNA and It wrapped into Nucleosomes. Humans have 22…

Q: A color-blind woman with Turner syndrome (XO) has a father who is color blind. Given that the gene…

A: Given that the gene for the color-blind condition is recessive and X-linked and a color-blind woman…

Q: Draw a Punnett square for the dihybrid cross. There are two known alleles of gene occupying a…

A: Dihybrid cross involves two genes in a cross. That's why the two traits are involved in this cross.

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: Please show the process of meiosis through Prophase 2

A: 1. Meiosis I:   - Prophase I: Homologous chromosomes pair up, and cross-over occurs between…

Q: The following Pedigree shows an unknown genetic disorder. The disorder is believed to be caused by…

A: In terms of genetics, a pedigree is a diagram demonstrating the manner in which a trait or medical…

Q: If a diploid individual is 1n = 5 how many chromosomes are in a somatic (non-gamete) cell?

A: Chromosomes are the structures formed by the tight coiling of DNA threads and histone proteins…

Q: The gene associated with the recessive disorder nemophilia is on the X chromosome, where n is the…

A: Option B

Q: A woman with a balanced reciprocal translocation of Chromosomes 4 and 20 (karyotype, right panel…

A: In a balanced reciprocal translocation genetic material is exchanged between two chromosomes with no…

Q: List the alleles in cach of the gametes crcated at the cnd of meiosis, (Write the number for 2/4…

A: Cell division occurs in all the cells of the body and this process is of two types: Mitosis is the…

Q: What is the probability that the parents below will produce the indicated offspring?  (Assume all…

A: AaBBDdggHhNn x AAbbDdGgHhNn   This is a hexahybrid cross. For simplification, convert it into 6…

Q: Different allele combinations can result from non-disjunction in meiosis I or II respectively.…

A: Introduction Nondisjunction occurs when chromosomes fail to separate, resulting in daughter cells…

Q: An organism has the following genotype AABbMmCC. What are the possible gametes that could be made…

A: A dominant allele entirely determines the phenotypic of heterozygotes, making them indistinguishable…

Q: Draw a haploid mitosis of the genotype a+ ; b.

A: Mitosis and meiosis are two kinds of cell division in which chromosomes are segregated into daughter…

Q: Gene A and gene B are two linked geres uwhich are separated bg 15CM. A women with the genokype aaob…

A: The genetic distance between two genes suggests the recombination frequency between two genes.

Q: If the man, from the previous question, is heterozygous for type A blood and the woman, from the…

A: The blood group is determined by gene I. Gene I have different alleles, these are: IA = It…

Q: all of his sons   all of his daughters   half of his daughters and half of his sons   half of his…

A: X- inactivation or lyonization is a process in which one of the X- chromosome is inactivated in…

Q: Duchenne muscular dystrophy (DMD) is caused bya recessive mutant allele of an X-linked gene…

A: Duchenne muscular dystrophy (DMD) is a progressive form of muscular dystrophy that results in muscle…

Q: The image shows a pair of homologous chromosomes from a single parent before gamete production. M1…

A: Genetic linkage is a study which shows us the  genes or alleles which are close to each other on a…

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

A: The alleles are the alternative forms of a gene that are located on the same locus of the homologous…

Q: What some ways that incomplete penetrance can occur? Give at least two possible ways on why it…

A: Penetrance refers to the proportion of people with a particular genetic change (such as a mutation…

Q: Draw and label a 2n=4 cell going through anaphase I of meiosis.

A: The meiosis involves division of a diploid (2n) mother cell and produce four haploid (n) daughter…

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.