What are chromosomal islands? Why are theyconsidered to be of foreign origin?

Q: What is meant by the termhomologous chromosomes?

A: Chromosomes are filamentous bodies present in the nucleus. They are composed of DNA(…

Q: What does an extra chromosome 16 mean?

A: Chromosomes, the physical carriers of genes, are the microscopic thread like structures in which the…

Q: What are the half-circle rotations of a chromosomal region?

A: Chromosomes emerge as thread-like structures inside the nucleus during cell division.…

Q: How are chromosomes named on the basis of their centromere placement?

A: A chromosome is a thread-like structure that exists in living cells. It is made up of genetic…

Q: What are translocation and deletion events that mayoccur during chromosomal duplication or assembly?

A: Cellular biology explains the events starting from DNA synthesis, to replication, transcription, and…

Q: How many genes are there present on chromosome 20 ?

A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…

Q: what are chromosome bands and why are they important

A: Chromosome banding is the term used to describe the alternating light and dark patches that appear…

Q: What are the 4 types of chromosomal aberrations?

A: Chromosomal aberrations are any change in the normal structure or number of chromosomes resulting in…

Q: What happens if there is  missing chromosome 3?

A: The humans consist of 46 chromosomes in each cell that are divided into 23 pairs. Chromosome 3 is…

Q: What unusual feature of the Y chromosome allows some recombination among the genes found on it?

A: Every individual has 23 pairs of chromosomes, out of which 22 are identical, one ie sex chromosome…

Q: How many genes are there present  on chromosome 7?

A: Chromosomes are thread-like structures that are located in the nucleus. It is composed of protein…

Q: What is a chromosomal island and how can one be identified asbeing of foreign origin?

A: The term chromosomal island is generally used in microbiology with regard to the bacteria. The…

Q: What causes chromosomal rearrangements?

A: Chromosomes carry the genetic material DNA. Gene is a segment of DNA. The necessary information for…

Q: What are chromosome 13 characteristics?

A: In all the living organisms, the genetic material is organized into a specific structure known as a…

Q: What are recombinant chromosomes? How do they differ fromthe original parental chromosomes from…

A: Recombination is the process in which sequences of DNA molecules are broken and then recombined to…

Q: How many genes are there present on chromosome 15 ?

A: A chromosome is a microscopic structure that consists of proteins and DNA, and is present in every…

Q: What are chromosome 17 traits?

A: In all the living organisms, the genetic material is organized into a specific structure known as a…

Q: What are chromosome 9 characteristics and where does chromosome 9 represent?

A: The humans consist of 46 chromosomes in each cell that are divided into 23 pairs.  There are two…

Q: What are the clinical consequences of abnormalities in chromosome structures?

A: Chromosomes are the most condensed structural organization of chromatin present in a cell. They can…

Q: How many genes are there present on chromosome 9?

A: The study of genes comes under Genetics. Genes are the structural and functional unit of life. They…

Q: What does an extra 22 chromosome mean?

A: Chromosome is the DNA molecule with part or all of the genome (genetic material) of an organism. In…

Q: How many genes are there present on chromosome 12 ?

A: Chromosomes are thread-like structure, which are composed of nucleic acids and protein. They are…

Q: What is the inactivation ofthe X chromosome? What is aBarr body?

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

Q: What happens if there is  missing chromosome 9?

A: Missing or deletion of chromosome is a type of chromosomal aberration which leads to many rare…

Q: What is incomplete penetrance and what causes it?

A: Introduction  Any gene have two alleles pairs viz. Dominant or Recessive. The allele which gets…

Q: What is 18th chromosome abnormality?

A: The chromosomes are the thread like structure that contains hereditary information in the form of…

Q: What is chromosome 15 abnormality?

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

Q: What happens if there is  missing chromosome 11?

A: The chromosome is a thread-like structure that contains genetic material or protein synthesis…

Q: What are chromosome 2 traits?

A: Chromosome 2 is one of the 23 pairs of the chromosomes in humans. It is the second largest…

Q: How does a chromosomal duplication occur?

A: When a part of chromosome is present in two copies or duplicated, it is known as duplication. This…

Q: What are chromosome 3 characteristics?

A: Chromosomes are the thread-like structures made up of chromatin which in turn consists of DNA and…

Q: what is length of chromosome11 ?

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

Q: What is chromosomal rearrangements?

A: “Chromosomes” are “thread-like structures” and is composed of “protein” and a “DNA molecule” which…

Q: What are the possible effects of chromosomal rearrangements?

A: In genetics, a chromosomal rearrangement or Any alternation in the sequence of nucleotide in the…

Q: What are  duplication chromosomes ?

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

Q: How many genes are there on chromosome 5?

A: Chromosomes are thread-like structure, which are composed of deoxyribonucleic acid (DNA) and…

Q: How many genes are there present on chromosome 14 ?

A: Chromosomes are the small structures like a thread situated within the nucleus ofvarious  plant and…

Q: What is diploid genome ?

A: The examination of a person's entire genome, along with how their genes communicate with one another…

Q: What is chromosomal mapping?

A: A chromosome contains all of the genetic material of an organism. Almost all the eukaryotic…

Q: How many genes are there present on chromosome 17 ?

A: A chromosome contains hundreds to thousands of genes. Each ordinary human cell contains 23 sets of…

Q: Chromosomal RearrangementsAre Caused by which factors?

A: Chromosomal rearrangement is a mutation that involves the change in the structure of the native…

Q: what is length of chromosome 13 ?

A: Chromosomes are defined as the thread-like structures that constitute nucleic acids wrapped around…

Q: What are the  symptoms of chromosomal abnormalities?

A: The chromosomal abnormalities can be categorized into two types that are structural and numerical.…

Q: What are the possible effects of chromosomal mutations?

A: Malfunctioning of the kinetochore can lead to a chromosomal abnormality that is known as…

Q: Where is extrachromosomal DNA found?

A: Nucleic acids are the essential macro molecules that carry and transmit genetic information in the…

Q: where does chromosome 10 are present?

A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…

Q: What is the Y Chromosome ?

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

Q: What are Chromosome territories ?

A: Chromosomes are condensed thread like structure found inside the nucleus of eukaryotic cells. It is…

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.