By using a diagram illustrate the condition that leads to Down syndrome (2n=47,extra copy of chromosome 21).

Q: Identify the parts (A, B, C, D) of the chromosome below. B A

A: Answer: A = Chromatids  B = Centromere C = Kinetochore  D = Kinetochore microtubules  It is the…

Q: Explain how alterations of chromosome number and structure can occur.

A: A chromosome is derived from the Greek words Chroma which means color and Soma which means body.…

Q: In 1-3 sentences each define the follwing terms:  genetic linkage, crossing over, X-inactivation,…

A: The study of the heredity, variations is known as Genetics. The genetics that is related to the…

Q: Karyotype analysis shows that the banding pattern for chromosome 1 is the reverse of the normal…

A: Introduction : A Chromosome Is A Lengthy DNA Molecule That Contains Part Or All Of An Organism's…

Q: Describe the mechanism of chromosome compaction

A: Answer:- The chromosomes contain the genetic material of the cell. It contains DNA in coiled form.…

Q: Some people compare a homologous pair of chromosomes to a pair of shoes. Explain the similarity. How…

A: Homologous pairs of the chromosome are those chromosomes which have the same type of structure and…

Q: A chromosome with a centromere located at its terminal end is termed

A: Centromere is a central constriction of a chromosome.

Q: Compare and contrast the similarities and differences between homologous chromosomes.

A: The thread-like structure present inside the nucleus is called a chromosome. The chromosome is…

Q: Describe the structure of chromosome and how this structure is related with inheritance?

A: The term chromosome originates from the Greek words for color (chroma) and body (soma). Scientists…

Q: Person A has a mutation in a chromosome in a liver cell, while person B has a mutation in a…

A: Mutation refers to sudden heritable change in the phenotype of an individual. In the molecular term,…

Q: illustrate a submetacentric chromosome and label its part

A: According to the position of centromere chromosome can be classified :-

Q: List 8 different processes that affect the structure of the chromosomes. Explain how each process…

A: Structural abnormalities in a chromosome occurs in many ways. Some of the structural abnormalities…

Q: Which classification is based on chromosome number?

A: Chromosomes are long thread like structures present in the nucleus of all the cells. The DNA…

Q: Explain what causes an individual to have an abnormalnumber of chromosomes.

A: The unusual number of chromosomes is caused because of Nondisjunction during cell division. It is…

Q: a. List three (3) features to identify the structure of a chromosome. b. Based on the three…

A: Introduction :- Chromosomes are the greatest level of DNA and protein organisation. Chromosomes'…

Q: Edwards Syndrome is a genetic condition in which a person has three copies of chromosome 18. This…

A: Ans. Edward syndromes (which are referred to as trisomy 18), are a syndrome of chromosome defects…

Q: Sketch and label the main parts of a duplicated chromosome

A: Duplication The presence of an additional segment, as compared to that normally present in a nucleus…

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: Define the term chromosome

A: Genes are the basic structural and functional units of heredity. They are composed of…

Q: The type of linkage labeled C below is:

A: nucleotides are formed by adding a base and phosphate group to the ribose or deoxyribose sugar…

Q: describe the Idiogram of the human X chromosome

A: Chromosomes are the form of genetic material and they are coiled structures composed of DNA and…

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: mosome disorder explain with examples.

A: Almost each cell in our body contains 23 pairs of chromosomes, for a complete of forty six…

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: Create an artwork (illustration/drawing) that differentiates autosomes and sex chromosomes.

A: The main difference between autosomes and sex chromosomes is that autosomes are the chromosomes…

Q: a. Draw the structure of the acentromeric chromosome using a line and letters to designate loci in…

A: A homologous sets of chromosomes comprises of one chromosome from each parent. During the majority…

Q: Which phrase best describes a human with the chromosomes represented in the karyotype below? * 1 5…

A: Symptoms present in down syndrome are flattened face,tiny head,short neck,protrusion of tongue, poor…

Q: Nullisomy is a genome mutation where a pair of homologous chromosomes that would normally be present…

A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…

Q: An error in meoisis that can result in someone getting the wrong number of copies of a chromosome is…

A: Meiosis is a cell division that causes the reduction of parental chromosomes into equal half and the…

Q: Define the terms mutation, autosomes, and sex chromosomes.

A: Introduction :- A mutation is a change in a gene's structure, which is how inheritance works.…

Q: Given the following frequency, what is the sequence of the chromosome map? D-A: 6%; D-E: 12%; V-E:…

A: A chromosome is a compact structure of a DNA molecule wrapped around some proteins. It is generally…

Q: Which of the following describes a Homologous Chromosome?

A: The gene is the basic fundamental of heredity. It is found in the chromosomes of the nucleus of the…

Q: draw the diagram of   Deletion loops form in the chromosomes ofdeletion heterozygotes.

A: A 'homologous pair' of chromosomes are approximately the same length and centromere position. They…

Q: Make up a sentence including the words chromosome,genes, and genome

A:

Q: (a) Explain the relationship between DNA, genes, and chromosomes during the passing of genetic…

A: Genetic materials of organisms, including DNA and RNA, helps in the storage, transmission, and…

Q: In one sentence, explain how the terms “gene,” “locus,” and “chromosome” are related.

A: Introduction  Genes are the main regulatory sequence of nucleotides found in the nucleus which…

Q: draw the acentric chromosome diagram

A: The DNA which is packed into thread-like structures inside the nucleus is called a chromosome. The…

Q: Can you cite a situation in which it shows how important two strands on the same chromosome have…

A: In eukaryotic cell,during cell division one of its main jobs is to make sure that to show and bind…

Q: Use the attached FISH image to provide a FULL description of ALL the chromosome mutations…

A: Fluorescence in situ hybridization ( FISH) is a molecular tool to easily label and detect the…

Q: Describe the structure of a chromosome territory.

A: They are regions of the nucleus that are occupied by particular chromosomes.

Q: determine the order of the genes on the chromosome

A: This is the case of three point test cross. The progenies with greater numbers represent parental…

Q: Describe how triplex DNA is formed.

A: If three oligosaccharides winded around each other to form a triple helical structure, then that…

Q: Which changes in chromosome structure cause a change in thetotal amount of genetic material, and…

A: Chromosomal aberrations are changes in the number and arrangement of genes in the chromosomes. They…

Q: Explain what is meant by the term homologous chromosomes ?

A: Chromosomes are condensed forms of chromatin that are visible during cell division. They were found…

Q: Down syndrome involves trisomy ___. (Which chromosome is affected?) 19 5 3 21

A: Aneuploidy is a defective condition in which one or more individual chromosomes are added to or…

Q: What would be the result if a chromosome did not have a kinetochore?

A: Deoxyribonucleic acid or DNA is the hereditary material present in the nucleus of the cell. It…