What is the difference between extrachromosomal and delayed chromosomal inheritance?

Q: What is Extrachromosomal inheritance?

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

Q: What is the example of  maternal inheritance?

A: Maternal inheritance is a form of inheritance where the traits of the offspring are maternal in…

Q: What is Biparental inheritance?

A: Genes carry coded genetic information in the form of specific nucleotide sequences. This specific…

Q: Which parent passes on the Y chromosome to the child?

A: Part or all of the genetic material of an organism in a long DNA molecule is called a chromosome.…

Q: What is sex linked inheritance and why is the pattern of inheritance different for males vs females?

A: Sex linked inheritance is the sex-specific pattern of inheritance and presentation when a particular…

Q: How do the modes of transmission of autosomal recessive andautosomal dominant inheritance differ?

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

Q: For a couple, what is the significance of knowing chromosomal aberrations?

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

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 the difference between an autosomal dominant andautosomal recessive pattern of inheritance?

A: In autosomal dominant a character must express itself in each generation. It can not skip any…

Q: What are the periods of the second meiotic division?

A: Meiosis is the reduction division type of cell division in which the original number of chromosome…

Q: What are the types of aneuploidy?

A: Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each…

Q: How is it that some chromosomal abnormalities are incompatible with life as early as immediately…

A: Chromosomal abnormalities are one of the reasons of miscarriage and stillbirth and spontaneous…

Q: How many copies of a gene does the other parent contribute to each of the offspring?

A: Genes are responsible for the expression of traits. If genes have multiple copies, they are referred…

Q: What are the effects of aneuploidy?

A: Aneuploidy refers to losses or gains of individual chromosomes from the normal set of chromosomes.…

Q: What is the difference between multiple alleles and polygenic inheritance?

A: Multiple Alleles --  Allele --( Allelomorphs ) It is an variant of a gene , some genes have variety…

Q: What is non Mendelian inheritance?

A: DNA is the universal genetic material. Genes located in nuclear chromosomes follow Mendelian…

Q: What are choromosome theory of inheritence?

A: The Chromosomal Theory of inheritance was suggested by two scientists named Sutton and Boveri, which…

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 is autosomal inheritance?

A: Autosomes are those chromosomes which control the character of our body not the sexual character. In…

Q: What is mitochondrial inheritance?

A: Mitochondria are a type of an organelle present in a cell. It is primarily responsible for the…

Q: What is a chromosomal Island?

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

Q: How does meiosis explain the first law of Mendel?

A: The process in which the single cell divides twice in order to produce four cells consisting half…

Q: What is the chromosome theory of inheritance?

A: Genetic inheritance is a phenomenon that deals with the transfer of characteristics from one…

Q: What is polygenic inheritance, and how is it different fromcodominance?

A: The law of dominance does not occur universally. After mendel several cases were recorded by…

Q: What is extranuclear inheritance? Describe three examples

A: DNA is the genetic material found in all prokaryotic and eukaryotic cells. DNA is double stranded…

Q: What are the periods of the first meiotic division?

A: Meiosis could be divided as meiosis-I and meiosis-II. Meiosis-I is the reduction division and…

Q: What is polyembryony?

A: An embryo is defined as the early developmental stage of eukaryotic organisms following the…

Q: What is a recessive epistatic gene?

A: Epistasis Epistasis can be defined as the condition where phenotypic expression of one gene is…

Q: What is quantitative inheritance?

A: Introduction  Inheritance is referred as the pattern of transmission of characters/traits from…

Q: What is Trisomy 17?

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

Q: Who had proposed the chromosomal theory of the inheritance?

A: Inheritance is the basic principle of genetics that explains how the characteristics are passed from…

Q: What are the two types of twins and how do they arise?

A: The period from conception to birth is called pregnancy. When an egg is fertilized by a sperm, the…

Q: what Is trisomy 13 ?

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

Q: which mode of inheritance does this trait show (autosomal recessive, autosomal dominant, X-linked…

A: The given image is of a pedigree chart. Squares represent males and circles represent females. Black…

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 is the cause of aneuploidy?

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

Q: How is it that genetic abnormalities that include an extra Y chromosome do not have a severe…

A: Genetically all human males normally have a XY chromosome whereas the females have a XX pair. They…

Q: Maternal influence is considered a transient inheritance, explain?

A: Inheritance in genetics is referred to as a phenomenon which involves the transfer of genetic…

Q: What causes Biparental inheritance?

A: Extranuclear inheritance is also known as cytoplasmic inheritance. It is the transmission of genes…

Q: Is there a difference between maternal effect and cytoplasmic inheritance?

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

Q: Is the inheritance autosomal or sex-linked?

A: The genes are located on the specific region of the DNA. Genes determine the phenotypic…

Q: What is maternal inheritance? Which characters show this type of inheritance?

A: Inheritance is the phenomenon of passing on the traits from parents to their offspring. Traits are…

Q: What is chromosome theory of inheritence?

A: Chromosomes are thread-like structures made up of chromatin.

Q: What causes quantitative inheritance?

A: Quantitative Inheritance deals with the inheritance of single phenotype characters, controlled by…

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 uniparental disomy and how does it arise?

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

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.