Barr Bodies, Sex Chromosomes and Diploid Number Number of Barr Bodies Phenotypic Sex of Individual Probable Sex Chromosome Component Diploid Number of Chromosomes 0 Male (normal) XY 46 0 Female (abnormal) X 45 1 Male (abnormal)     1 Female (normal)     2 Male (abnormal)     2 Female (abnormal)     3 Male (abnormal)

Q: The human X and Y chromosomes   a. are about the same size and have approximately the same number…

A: Sex in humans can be determined by the type of male haploid gamete that fuses with the female egg.…

Q: A young couple is planning to have children. Knowing that there have been a substantial number of…

A: Robertsonian translocations are defines as the structural chromosomal abnormalities that is caused…

Q: ___________ chromosome aneuploidy is usually welltolerated because only one X chromosomeremains…

A: Step 1 Aneuploidy (Heteroploidy) is a numerical change in the chromosome number in the genome or…

Q: What condition results from the fusion of a normal gamete (n) and a gamete missing a chromosome (n –…

A: Nondisjunction is the failure of homologous chromosomes or sister chromatids to separate properly…

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: Match the chromosome disorder to its descriptionin the key. Jacobs syndrome a. female with…

A: DNA ( deoxyribonucleic acid) is the genetic material that the organism inherits from the parental…

Q: . A. sex chromosome B. gamete chromosome, C. autosomal chromosome 7. A. X chromosome B. Y Chromosome…

A:

Q: Chromosomal Abnormalities Name of Number of Classification of Affected Description autosomes and…

A: A genetic disorder is an alteration in chromosomal number and their function. There are three types…

Q: The birth of this child prompted the Dentons' physician to order a chromosome study of parents and…

A: In order to fully understand the question being asked, we must recall the following information: (1)…

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: 11. An autosome is 1. A dominate chromosome 2. A sex chromosome 3. A recessive chromosome 4. Any…

A: DNA and RNA are polynucleotides that are composed of a chain of nucleotide monomers with distinct…

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: A phenotypically normal individual has the following combinations of normal and abnormal…

A: Chromosomal deletion is simply deletion of the part of the chromosome. Chromosomal inversion is a…

Q: When analyzing a normal human male karyotype, all of the chromosomes can be sorted into homologous…

A: Genetics is a study of genes, heredity, and genetic variation in an organism. Living organisms…

Q: A young couple is planning to have children. Knowing that there have been a substantial number of…

A: Robertsonian translocation is a kind of chromosomal abnormality in which two acrocentric chromosomes…

Q: Syndrome: ?? Number of autosomes and sex chromosomes: 45 Classification of abnormality: Numerical…

A: The abnormality in a chromosome is called chromosome abnormality. The male and flame contribute an…

Q: In an organism with a haploid number of 7, how many possible combinations of maternal and paternal…

A: Meiosis is a special type of cell division of germ cells in sexually-reproducing organisms used to…

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

A: Klinefelter’s syndrome and one Barr body Klinefelter’s syndrome is due to the trisomy of sex…

Q: Number of Sex Phenotypic Sex of Probable Sex Total Number of Chromatin in Individual Chromosome…

A: Sex chromatin in somatic cells are Barr body, which are X chromatin or inactive X chromosome in a…

Q: Describe the imbalance in gene products that occurs in an individual with monosomy 2.

A: Chromosomes are carrier of deoxyribonucleic acid (DNA). DNA is the genetic material. Each species…

Q: A male Drosophila from a wild-type stock is discovered to have only seven chromosomes, whereas…

A: As mentioned the chromosome IV is attached to the distal end (which is farther from the centromere…

Q: of Abnormality Number of autosomes and sex chromosomes Classification of abnormality (be specific…

A: Chromosomal disorder is, any syndrome characterized by malformations or malfunctions in any of the…

Q: A mature female tiger, with 38 diploid chromosomes in each somatic cell, produces haploid oocytes…

A: Chromosomes are present inside the cell nucleus and made up of DNA (Deoxyribonucleic acid) molecules…

Q: If you assume Figure 2-15 also applies to mice and youirradiate male sperm with X rays (known to…

A: The similar regions in two chromosomes  are considered to be homologous. Hence the X and Y…

Q: Sex chromosome aneuploidy is usually welltolerated because only one X chromosomeremains __________…

A: Step 1 Aneuploidy is the numerical change in the chromosome number in the genome or genomes of an…

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

A: Aneuploidy is a condition of having fewer or extra chromosomes than the normal genome number of the…

Q: . A nondisjunction occurs in the sex chromosomes of a male mouse. What ratio of sex chromosome…

A: Nondisjunction occurs when sister chromatids and homologous chromosomes fail to separate from each…

Q: Corn has a chromosome number of 2=20. Supposing there are different aneuploidy/polyploidy in corn,…

A: The sex chromosomes decide an individual's sex. The majority of people have two sex chromosomes, one…

Q: With two pairs of homologous chromosomes, four kinds of gametes can be produced. How many kinds of…

A: Gametes are formed by the process of meiosis in the gamete mother cells.

Q: The STR DNA marker DS11 is located on the p arm of the chromosome #8 in humans. Molecular analysis…

A: A pattern of two or more nucleotides repeated next to each other is known as a short tandem repeat…

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 is dosage compensation with respect to the sex chromosomes? Briefly explain how this is…

A: The method by which organisms adjust gene expression between individuals of different biological…

Q: Down’s syndrome in humans (trisomy 21), with 47 chromosomes in each diploid somatic cell, is…

A: Down's syndrome in humans also known as Trisomy 21 has 47 chromosomes in every diploid somatic cell…

Q: In humans, the diploid chromosome number is 46 (2N = 46). For each of the meiotic stages listed…

A: In humans, the meiosis occurs in 2 stages. Meiosis 1 & 2. Both have 4 stages.  1. Prophase I…

Q: A girl and a boy were born to a young married couple. The girl is absolutely healthy. The…

A: Humans have a total of 46 chromosomes in the nucleus. The 44 chromosomes are autosomal chromosomes…

Q: A young couple is planning to have children. Knowing that there have been a substantial number of…

A: Robertsonian translocation is a kind of chromosomal abnormality in which two acrocentric chromosomes…

Q: Parents pass chromosomes in gametes to form the zygote, which will grow and develop to become an…

A: Sperm of father will have 23 chromosomes (haploid) that fuse with ovum of mother containing 23…

Q: During metaphase I of meiosis, tetrads align along the metaphase plate independently of each other.…

A: Meiosis is a reductional division which generates haploid (n) daughter cells, each having half of…

Q: unction which can affect sex chromosomes as well as autosomal chromosomes as a common cause of…

A: Nondisjunction: Failure of paired chromosomes to separate (to disjoin) throughout the cellular…

Q: A young couple is planning to have children. Knowing that there have been a substantial number of…

A: Robertsonian translocation is a type of chromosomal abnormality which effects acrocentric…

Q: What type of nondisjunction is the chromosome abnormality? Trisomy Or Monosomy

A: Trisomy: when one chromosome is present in 3 copies then the condition is called trisomy. The total…

Q: XX individuals can be sex-reversed males if one of their X chromosomes contains a translocated…

A: In a normal female, there are two X chromosomes and their karyotype is (46, XX). However, in some…

Q: and down syndrome the victim has an extra chromosome 21. Therefore, down syndrome is a kind of ___…

A: Genetic disorders are those which results due to any changes in gene or due to  chromosomal…

Q: Genetic mosaicism occurs __________________.   in single cells but not in tissues.   with sex…

A: All living things are made up of cells, which are the most fundamental and important components. All…

Q: Which of these two mechanisms might be promoted by thepresence of the same transposable element in…

A: Transposable Elements--transposable elements or jumping gene is a DNA sequence that can changes its…

Q: Characterize the following human chromosomes as to size and as to position of 4. its centromere.…

A: Chromosomes are thin, small thread-like structures that have both short and long arms separated by…

Q: Infants born with Patau syndrome have an extra copy of chromosome 13, which leads to developmental…

A: Monosomy and trisomy are some of the chromosomal disorders. In monosomy there is one less copy of a…

Q: In Figure 17-28, what would be the consequence of acrossover between the centromere and locus A?

A: The exchange of chromosomal segments between nonsister chromatids in meiosis is known as crossing…

Q: phenotypically normal woman has an abnormally structured chromosome 2, along with a normal…

A: Probability of woman passing down abnormally structured chromosome 2  is 1/2 Woman ----- 1/2…

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.