What is Trisomy test?

Q: How can epistasis explain incomplete penetrance?

A: Penetrance in genetic terms refers to the ratio of individuals that carry a specific allele of a…

Q: What is Extrachromosomal inheritance?

A: Inheritance is the process by which this genetic information present in the genes is passed on from…

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: Describe the individuals with the following chromosomal abnormalities: Trisomy at chromosome 21 XXY…

A: Chromosomes are the  condensed forms of chromatin seen during the cell division. They were…

Q: What environmental factors may increase incidence of chromosomal abnormalities? Name at least three.

A: Chromosomal abnormalities or aberration is defined as the defect in the structure or the number…

Q: What do monohybrid crosses reveal?

A: A cross that involves single pair of contrasting characters is known as Monohybrid cross.

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 is the karyotypefound in Down syndrome?

A: During the most recent years, Down disorder has been the focal point of uncommon consideration. Down…

Q: by what age a person with trisomy 16 can survive?

A: due to nondisjunction of chromosomes in maternal meiosis I stage, there are high chances of more…

Q: Which is the type ofgamete produced by aheterozygous individual?What is the genotypicalproportion of…

A: Alleles are the two-contrasting form of genes. They are pairs of genes on a chromosome that…

Q: What is test cross?

A: The process in which the exchange of genes between gametes resulting in the formation of…

Q: What are chromosomal disorders? Also gives a suitable example.

A: The chromosomes are thread-like structure located in the nuclei of both plant and animal cells. They…

Q: What would be the genotype of the P Generation?

A: Introduction: Genetics is a branch of biology that deals with the understanding of genes, variation…

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: What are autosomal dominant allele?

A: Introduction: Inheritance means the transfer of genetic data is from parent to child.

Q: Explain the Syndromes from AbnormalChromosome Numbers ?

A: Chromosomes are thread-like structures present inside the nucleus of the cell. They are made up of…

Q: Why is autosomal Monosomy lethal?

A: Most living species have DNA as their genetic material. It is the cell's information centre,…

Q: trisomy 18.

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

Q: From this pedigree is it dominant or recessive. Is ur autosomal or sex-linked?

A: Pedigree is define a diagrammatic representation of the individuals of a family for a particular…

Q: What is the end result of crossing over?

A: Crossing over allows the exchange of genetic material and forms unique combinations of alleles. This…

Q: How to reduce chromosomal abnormalities?

A: Chromosomal abnormalities can be structural or numerical. A structural chromosomal abnormality means…

Q: What are chromosomal disorders?

A: The chromosomes are thread-like structure situated inside the nucleus of plant and animal cells.…

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 the most common chromosomal disorder?

A:

Q: What causes Extrachromosomal inheritance?

A: Inheritance or heredity is passing-on one trait form the parents to the progeny by either asexual or…

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 are the side effects of Irregularities in the process of chromosome formation or fetal…

A: Mutations are sudden changes that are inheritable and can contribute to a permanent change in the…

Q: How to diagnose aneuploidy?

A: The chromosomes are thread-like structure located in the nuclei of both plant and animal cells. They…

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: describe Full trisomy 18

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

Q: What are 3 disorders due to Nondisjunction?

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

Q: What chromosome is associated with autism?

A: Autism is a condition that appears at an early age of childhood. The person who suffers from autism…

Q: Define monohybrid crosses?

A: An allele is a variant of a gene. The allele can be dominant or recessive. The dominant allele is…

Q: How long can a person live with Trisomy 16?

A: Trisomy 16 is a genetic alteration in which there is an extra copy of a chromosome 16 in a person.…

Q: What are affects when Nondisjunction occurs?

A: The separation of the sister chromatids or homologous chromosomes is one of the defined steps of…

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: by what age a person with trisomy 17 can survive?

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

Q: What is a phenotype?

A: Phenotype is derived from two Greek words: phainein, which means “to show,” and typos, which mean…

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 is 47,XXX Syndrome ?

A: A syndrome is characterized by a collection of medical indications and symptoms that are related to…

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: Why is trisomy 21 not lethal?

A: Trisomy 21 an equivalent name for Down syndrome is the most common genetic disorder. It causes both…

Q: What criteria or features are used to identify each chromosome by number?

A: *NOTE: Kindly repost for other question. Dear Student as per the guidelines we are supposed to…

Q: What is Trisomy 20?

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

Q: by what age a person with trisomy 13 can survive?

A: Trisomy 13 or Patau syndrome occurs when 3 copies of the chromosome-13 are present in each cell 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: by what age a person with trisomy 18 can survive?

A: Trisomy is a rare genetic condition with three extra copies of chromosomes instead of two copies…

Q: What is a crossing over, and what is the purpose of it?

A: The cell cycle is the orderly series of events allowing a cell to grow and divide forming daughter…

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.