describe Full trisomy 18

Q: Explain why a triploid individual is usually infertile?

A: The individual having three sets of haploid chromosomes (3n) is termed as triploid. Triploid…

Q: Is this a Monosomy or Trisomy, and what’s the disorder?

A: When a person has 3 number of a particular chromosome [usually should have two], it is called…

Q: How many types of trisomy are there?

A: Trisomy is the presence of one extra copy of a chromosome in the genome. It is mostly caused by the…

Q: explain the Nondisjunction during first meiotic division

A: The process in which the diploid cell produces haploid gametes is called meiosis. The chromosomes…

Q: explain partial tetrasomy 14

A: Tetrasomy is defined as a condition of aneuploidy, in which there are four copies of a particular…

Q: What is an example of Monosomy?

A: Monosomy is a condition when one of the total chromosomes present generally in the cells of an…

Q: Define trisomy 16.

A: Chromosome disorders are non-inheritable abnormalities in which individuals possess either extra or…

Q: Define  trisomy

A: The chromosome is the threadlike structure of the cell that carries hereditary information in the…

Q: Give several examples of chromosome number disorders.

A: Genetic disorders are defects that are caused by any genetic mechanism like mendelian genes ,multi…

Q: Explain how nondisjunction can cause monosomy andtrisomy aneuploidy.

A: Failure of separation of Chromosome during nuclear division causes non disjunction

Q: What disease is Trisomy 15?

A: Disease:   When an organism’s body system does not work properly or any organ affects by viruses,…

Q: Explain about the  Changes in Sex Chromosome Number ?

A: The genetic disorder may occur due to the addition or deletion of chromosomes that will result in…

Q: Name and describe two birth defects resulting from nondisjunction of autosomes and two from…

A: Nondisjunction of chromosomes:- Non disjunction means failure of the paired chromosomes to separate…

Q: Is heterozygous dangerous?

A: An observable characteristic of an organism is called its phenotype, while the actual pair of…

Q: Contrast monosomy with trisomy.

A: Chromosomes are the genetic material formed by the coiling of the DNA around the histone proteins.…

Q: explain the results of crossing over?

A: Crossing over is the exchange of genetic material between non-sister chromatids of homologous…

Q: RR x Rr What percentage of the offspring will be round?

A:

Q: Define the following: monozygotic and dizygotic twins,

A: BASIC INFORMATION  FERTILIZATION  It is the process of the fusion of the male as well as the female…

Q: Cross a female (XX) with a male (XY). Provide the genotypic and phenotypic ratio of the cross

A: Cross of a female (XX) and Male (XY) Female/Male X Y X XX (Female) XY (Male) X XX (Female) XY…

Q: What is meant by Trisomy 21 ?

A: Chromosomal abnormalities are the type of genetic disorders caused due to the change in one or many…

Q: Is TT a heterozygous or homozygous?

A: The term 'homozygous' refers to the presence of two copies of the same allele, such as two dominant…

Q: Explain meiosis, gametogenesis, crossing over, and nondisjunction.

A: Cell division is the process of division of cell resulting in two or four daughter cells depending…

Q: trisomy 18.

A: Trisomy : The presence of an additional body in some or all of the body's cells.

Q: Would a person with X0 genotype have ovaries, testes, or neither?

A: XO is a genetic condition known as Turner syndrome , in this condition female partially or complete…

Q: Briefly describe nondisjunction in meiosis and identify several potential consequences. In other…

A: Meiosis is the type of cell division that occurs in the sex cells to produce gametes in the form of…

Q: ne trisomy 21.

A: Gene alterations in an organism have profound effects on both cellular and physiological levels.…

Q: explain Partial trisomy 18.

A: Chromosomes are defined as the thread-like structures that carry genetic information. In humans, 23…

Q: explain Mosaic trisomy 18

A: Trisomy is a kind of aneuploidy that means an abnormal number of chromosomes. The cells of sexually…

Q: what Is trisomy 18?

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

Q: Do the genes of the X and Ychromosomes determine onlysex characteristics?

A: The human cell contains 23 pairs of chromosomes. The first twenty three pairs of chromosomes are the…

Q: What is Trisomy 17?

A: Chromosomal disorders are the disorders that are caused due to increase or decrease in the number of…

Q: what Is trisomy 13 ?

A: A chromosomal disorder is a missing, extra, or irregular portion of chromosomal DNA. It can be form…

Q: If nondisjunction of the sex chromosomes takes place in meiosis I in the male, what sexual…

A: Meiosis is a type of cell division in which a diploid cell undergoes reductional division to form…

Q: How long can you live with Trisomy 18?

A: Trisomy 18 also known as Edwards syndrome. It is a chromosomal abnormality. Chromosomes are…

Q: Which is more harmful trisomy or monosomy?

A: The chromosomal disorder are caused due to absence or excess or abnormal arrangement of one or more…

Q: Is this a Monosomy or Trisomy and what’s the disorder?

A: A normal human is diploid and normally contains two copies of each chromosome. Trisomy is a…

Q: Explain why a female cannot have XXY syndrome and a male cannot have XO syndrome.

A: Gonads are reproductive structures in both male and female bodies responsible for production and…

Q: Define these pairs of terms, and distinguish between them. monosomy/trisomy

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

Q: Explain the meaning of trisomy 21.

A: Chromosomes: These are thread-like structures. These are located inside the nucleus of the cells.…

Q: Define  , monosomy,

A: Chromosomes are long thread like structures present in the cells. They carry genetic information in…

Q: Trisomy 21, or Down's syndrome, is the result of which event occurring during the meiotic process?

A: Ans. A nucleus, where genetic material is contained in genes, is located on every cell in the human.…

Q: explain the Nondisjunction during second meiotic division

A: The cell cycle is a flow of events that consists of cellular division as well as cell growth. This…

Q: Is this a monosomy or trisomy, and what’s the disorder?

A: When a person has three copies of a particular chromosome instead of two, it is called trisomy. When…

Q: What is Trisomy 20?

A: The chromosome 20 likely has more than 500 genes which provide the instruction for the making of…

Q: What is the relationship between the severity of symptoms and the size of the chromosome involved in…

A: More the size of the chromosomes involved in the trisomy, more will be the severity of symptoms.…

Q: Describe two mechanisms for causing uniparental disomy.

A: Uniparental disomy occurs when two copies of a chromosome are inherited from same parent, rather…

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.