What are 3 disorders due to Nondisjunction?

Q: Explain the term of incomplete dominance?

A: Inheritance patterns are of different type’s   Mendelian inheritance, incomplete dominance,…

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: 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 is incomplete dominance?

A: The genetics is the branch of biology that deals with the study of genes, genetic variation and…

Q: What is nondisjunction and the diseases?

A: Nondisjunction is a chromosomal disorder.

Q: Describe some syndromes that result from chromosomal nondisjunction?

A: Nondisjunction of chromosome: - During cell division, it is the failure of separation of homologous…

Q: How can you explain that not all Down syndrome cases are due to nondisjunction?

A: The syndrome can be analyzed as per the clinical signs and side effects that are associated with one…

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: Aa x aa，Aa x aa， Aa x AA，Aa x Aa. which of those fours are considered as a monohybrid cross？and…

A: The Punnett square is a graphical representation or tabular diagram that predicts the genotype and…

Q: How is prenatal diagnosis of Down syndrome achieved?

A: Genetic disorders result from chromosomal abnormalities like Down syndrome and Turner syndrome. A…

Q: Explain the Pedigrees for Autosomal Disorders ?

A: An autosome is defined as any of the numbered chromosomes, which is not a type of sex chromosome.…

Q: How and when does nondisjunction occur? What is the result of non-disjunction? In your own words

A: Cell division is the process by which a parent cell divides and makes two or more daughter cells. It…

Q: What are the 3 types of Down syndrome?

A: Down syndrome is a kind of genetic disorder that results in developmental delays, intellectual…

Q: 1. Two normal visioned parents have a color-blind son. Give the genotype of both parents and the…

A: Colour blindness is a sex-linked recessive disorder, results in defect in either red or green cone…

Q: sex-linked inheritance? Give 3 examples.

A: Answer Sex-linked inheritance is the appearance of a trait which is due to the presence of an allele…

Q: Explain the Polygenic inheritance. ?

A: Genes are the basis of inheritance in all living organisms. Genes are sequences of DNA located…

Q: Are all froms of Down Syndrome due to non-disjunction?  Explain

A: There are three forms of Down's Syndrome- 1. Trisomy 21 2. Non-disjunction 3. Mosaicism

Q: How is Down syndrome caused?

A: Human genetic disorders are caused due to the absence or excess or abnormal arrangement of one or…

Q: what are treatments for polycystic overy syndrome?

A: Polycystic ovary syndrome is the condition of ovary in which the follicles are solidified to form…

Q: What are the 3 non Mendelian inheritance?

A: Most of the genes of the multi-cellular species follow a Mendelian pattern of inheritance but many…

Q: What are some facts about XXY syndrome? at least 5

A: Chromosome abnormalities are the disorder in which an individual possess more or reduced number of…

Q: explain Mosaic trisomy 18

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

Q: Explain the concept of mendal's law of inheritence?

A: Gregor Mendel conducted experiments on pea plant (Pisum sativum) demonstrating the inheritance of…

Q: What is an individual with a heterozygous genotype?

A: The genotype is a collection of genes and controls the genetic features of an organism.

Q: What is the most common chromosomal disorder?

A:

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 test?

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

Q: What is the cause of Down syndrome?

A: A mutation denotes the manipulation of sequence of the genetic material of a living organism that is…

Q: Explain what the word nondisjunction means?

A: Cell biology is the field of biology that studies the cell’s function and structure.

Q: How to diagnose aneuploidy?

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

Q: What is the difference between primary Down syndrome and familial Down syndrome? How does each type…

A: Trisomy is the addition of a single chromosome in the whole set of chromosome. Addition of single…

Q: Distinguish among Klinefelter, Down, and Turner syndromes. Which syndromes are found in both sexes?

A: Introduction A genetic condition is an illness caused in part or entirely by a deviation from the…

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: is AC genotype normal?

A: Genotype refers to the genetic constituation of an organism. The genotype in humans are AA, AS, AC,…

Q: What types of chromosomal disorders are easily seen with a karyotype?

A: KARYOTYPE:- It is the complete set of chromosomes of an individual used to check for any…

Q: briefly describe how chromosomal disorders happen, explaining non disjunction

A: Chromosomal disorders are of two types -  1.Aneuploidy - It arises due to the addition or deletion…

Q: What are the various phenotypic changes in cri du chat syndrome ?

A: A syndrome is a medical condition in which a group of symptoms appears. These symptoms are generally…

Q: (a) What is a Barr body? (b) How many Barr bodies are present in a person 2n = 47, XXX (c) Is it…

A: We are answering the first 3 questions only.  For the rest of the questions please repost. The…

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 are the 3 types of genetic disorders?

A: Genetics is a branch of biology that deals with genes, heredity, and variation. Heredity purely…

Q: Are all forms of Down syndrome due to non-disjunction?​YES​​​ or NO​?

A: Down syndrome is a genetic disorder caused when abnormal cell division results in an extra full or…

Q: Can 2 albino parents have a normal child? Explain.

A: Albinism: a. It is a congenital disorder characterized by a complete or partial absence of the…

Q: What is primary non disjunction?

A: During cell division, in anaphase stage when homologous chromosomes have failed to separate or…

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.