What are polygenic inheritence?

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: 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: What are polygenic diseases?

A: Most human diseases are a polygenic disease.

Q: What is incomplete dominance?

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

Q: Why do polygenic characteristics have many phenotypes?

A: by and large, most of the traits are controlled by only one gene ie one gene is responsible for only…

Q: What is the significance of Pedigree charts?

A: Genetic analysis refers to the general procedure of exploring and investigating genetics-related…

Q: What are inheritence of two genes?

A: Genes are basic units of inheritance. Gene is  a specific sequence of DNA which encodes specific…

Q: What is Down syndrome ? When does Down syndrome occur ?

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

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: What are three common inheritance patterns for human monogenic diseases?

A: According to the question, we have to provide the name of three common inheritance patterns for…

Q: Explain the Pedigree Analysis and Genetic Disorders ?

A: Genetics is a part of science worried about the investigation of genes, genetic variety, and…

Q: What is an example of Extrachromosomal inheritance?

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

Q: How Are Single Traits Inherited?

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

Q: What is Codominance inheritance?

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

Q: How are single-gene traits inherited?

A: A phenotype is a unique feature of an organism. Genes and the climate, as well as relationships…

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: 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 some diseases or genetic abnormalities caused by dominant genes? Why are severe dominant…

A: Genetic disorders are conditions that are caused due to aberration in the chromosomes and are mostly…

Q: What is the relationship of the gene to the trait?

A: Gene is a unit of heredity which is transferred from a parent to offspring which determine some…

Q: Explain how polygenic inheritance differs from inheritance that is controlled by only one gene?

A: Genetics is a part of science worried about the investigation of genes, genetic variation, and…

Q: What is polygenic inheritance? Discuss the issues that make polygenicinheritance difficult to study.

A: A polygene is a member of non epistatic genes group.It interacts to influence a phenotypic…

Q: What causes nondisjunction?

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

Q: What is the difference between extrachromosomal and delayed chromosomal inheritance?

A: Usually the genes are the hereditary units of life. The genes are present in the nucleus and from…

Q: What is a down syndrome?

A: Humans are diploid organisms,i.e., humans will have two copies for each chromosome in the cells. One…

Q: Is TT heterozygous dominant or recessive?

A: A diploid organisms contains two copies of a gene in two homologous chromosomes which are known as…

Q: Other than the fact that a Y-linked trait appears only in males, how does the pedigree of a Y-linked…

A: Y-linked traits are known to occur in all male descendants of an affected male but never occurs in…

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 quantitative inheritance?

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

Q: What are Autosomal Dominant and Autosomal Recessive?

A: Genes are made of nucleic acids called DNA. The variant forms of genes are called alleles. The…

Q: What is a monogenic disease?

A: A monogenic disease is a disease that results from a flaw is a single gene that is the direct cause…

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: Can a son be a carrier for an X-linked trait? Explain.

A: The genetic makeup of an offspring is determined by the genetic makeup of both parents; that is, the…

Q: How is pedigree analysis used to determine whether a trait is inherited in an autosomal-dominant,…

A: To study the inheritance of various genes in human beings one method has been used which is known as…

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 to diagnose aneuploidy?

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

Q: What causes Biparental inheritance?

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

Q: What is polygenic inheritance?

A: Sometimes a single phenotypic trait is the controlled by many genes together. Each gene can…

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 are mendal's laws of inheritence?

A: Step 1 Inheritance is the process of receiving genetic information from the parents. The entire…

Q: What is the most common autosomal recessive disease?

A: Autosomal recessive disease refers to the type of disease that can be passed down through families.…

Q: What is the probability of obtaining a triply recessive individualfrom the parents ?

A: Introduction  Sir Gregor Mendel is known as the Father of Genetics. He was the pioneer scientist who…

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…

Q: Describe two mechanisms for causing uniparental disomy.

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

Q: What is late-onset genetic trait?

A: A trait can be defined as a different form of a character. Genetic traits are those characteristics…

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.