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

Q: Why is chromosome 21 Down syndrome?

A: Human genetic disorders due to chromosomal abnormalities are caused because of absence or abnormal…

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: How many genes are there present on chromosome 13 ?

A: Chromosomes are the carrier of genetic material deoxyribonucleic acid (DNA). They are coiled in…

Q: What are the designations of the sex chromosomes in males of bugs, humans, and butterflies?

A: Chromosomal determination of sex It is also known as allosomic determinati9on of sex and is based on…

Q: How do we know that chromosomes exist in homologous pairs?

A: The eukaryotic cells contain different organelles like lysosomes, mitochondria, Golgi apparatus,…

Q: What does chromosome 2 deletion mean?

A: In human cells, the second largest of the 46 chromosomes is chromosome 2. Chromosome 2 makes up…

Q: What are two nonhomologous chromosomes exchange parts?

A: Translocation is a type of chromosomal abnormality in which a chromosome breaks and a portion of it…

Q: What happens if   chromosome 13 is missing from its place  ?

A: Deletion of chromosome 13 leads to rare genetic disorder with wide range and severity of symptoms.

Q: How many genes are there present on chromosome 22 ?

A: DNA gets condensed to form chromosomes during cell division. Chromosomes are rod shaped chromatin…

Q: Are all reciprocal translocations likely to result in sterility? How can one result in normal…

A: Reciprocal translocation is one of the two types of chromosome translocation. Chromosome…

Q: Why do you think there are no viable trisomies of chromosome 1?

A: Chromosome 1 is the largest chromosome in human. Approximately 8% of the total DNA is found in this…

Q: What causes chromosomal rearrangements?

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

Q: Which, if any, of the following sex-chromosome aneuploids in humans are fertile: XXX, XXY, XYY, XO?

A: Aneuploids are a kind of chromosomal mutations which results in abnormal number of chromosomes.

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: 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: Which chromosome rearrangements can cause deletions and duplications?

A: A chromosome is a thread like structure present in the nucleus of the cell. It contains the DNA and…

Q: How does the process of recombination add to the observed genetic variation of daughter cells?

A: Genetic recombination is a complicated process  defined as the exchange of genetic material between…

Q: How many genes are there present on chromosome 10 ?

A: Introduction: Chromosomes are thread-like structures present inside the nucleus of plant and animal…

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: What happens if   chromosome 14 is missing from its place  ?

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

Q: What causes reciprocal translocation?

A: Translocation is a type of chromosomal abnormality in which a chromosome breaks and a portion of it…

Q: What chromosome rearrangement is thought to be the source of new genes?

A: Chromosome rearrangement is a change in the order of base sequences along one or more chromosomes.…

Q: What is chromosome painting  ?

A: The thread-like structure found inside the nucleus of the cell is called a chromosome. It consists…

Q: what is length of chromosome11 ?

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

Q: Chorionic villus sampling is a procedure to determine if there are any abnormalities in chromosome…

A: Chorionic villus sampling is also used for the same purpose. Chorion is basically a membrane that…

Q: What are  duplication chromosomes ?

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

Q: What is nonautonomous transposition?

A: Transposition refers to the translocation in which the segment of the chromosome is relocated…

Q: How many genes are there present on chromosome 23 ?

A: Chromosomes are the carrier of genetic material deoxyribonucleic acid (DNA). They are coiled in…

Q: What does the X/Y pair of chromosomes determine in humans?

A: Chromosomes are DNA-carrying structures located in the center (nucleus) of cells. The substance that…

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 the approximate location of the centromereon human chromosome 7?

A: The centromere connects the sister chromatids with each other.

Q: What is the 2n chromosome number of Valanga?

A: Genetic material are the means by which hereditary information is passed on from one generation to…

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: what is length of chromosome 13 ?

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

Q: How many genes are there on chromosome 1?

A: In eukaryotes, chromosomes are present in the nucleus but in prokaryotes, the nucleus is not present…

Q: How many genes are there present on chromosome 11 ?

A: DNA the genetic element is condensed and tightly packed as chromatin fibres in chromosome. Humans…

Q: How Chromosomal Rearrangements are Caused?

A: Numerous structural rearrangements in chromosomes have been characterised, inversions and…

Q: What is on the 17th chromosome?

A: Introduction: Humans have 23 pairs of chromosomes in which 22 pairs are called sex chromosomes and…

Q: What are crossing over between homologous chromosome take place?

A: Chromosome is the package of densely packed chromatin fibers with DNA and histone proteins. In…

Q: What the term Translocation defines in the context of chromosomal ?

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

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.