What is Polygenic Inheritance? A) When one gene has many effects

Q: What are the recessive gene traits that can be inherited?

A: Recessive gene traits that can be inherited are:- 1)straight hair 2)Blonde or red hair 3)Hitch…

Q: Which gene  is inherited from the mother only?

A: Cell division is a process of a parent cell replicating it chromosomal content and dividing itself…

Q: Why are recessive conditions more common than dominant ones? How could being a carrier of a…

A: Most of genetic disorder are caused by recessive mutation. DNA sequence variant are harmless when a…

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 polytypic genes?

A: Genes are defined as the building blocks and the coded information that defines the complete physico…

Q: What does a vertical pattern of inheritance mean?

A: The pattern of inheritance of traits which is controlled by a single locus or single gene defects is…

Q: What is an example of a lethal allele?

A: Alleles that cause an organism to die are called lethal alleles. The genes which result in viability…

Q: What is the difference in the studied skin color gene between dark skinned and light skinned people?

A: Human skin color can range from the darkest brown to the lightest hues. Differences in skin color…

Q: What is required in the genotype of an individual to show a recessive trait?

A: Genotype  It is defined as the reference to the alleles (variants of the gene) an individual carries…

Q: What is Prenatal genetic diagnosis ?

A: Prenatal diagnosis involves non-invasive and invasive techniques. The non-invasive technique…

Q: What genetic criteria distinguish a case of extranuclear inheritance from (a) a case of Mendelian…

A: Extra nuclear inheritance is the type of inheritance pattern in which genetic information which is…

Q: What is the high-frequency alleles of a polymorphic gene?

A: Alleles are the variant of the gene. DNA is comprised of various nucleotides that collect genetic…

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: Which gene  is inherited from the father only?

A: A gene is a stretch of nucleotides present in the DNA molecule. It encodes information for the…

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: Are the children in generation IV likely to be carriers for the allele that causes albinism?

A: The alleles are generally of dominant and recessive type and some other forms like codominant and…

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: Why do extra copies of genes sometimes cause drastic phenotypic effects?

A: The genes are the hereditary unit of an organism which are passed on from the parental generation to…

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 is an individual that bears a dominant normal allele that masks the effects of the recessive…

A: The gene is the basic physical and functional unit of heredity. It consists of a specific sequence…

Q: Will insurance companies be able to deny coverage or even treatment of illnesses that can now be…

A: The term insurance coverage refers to the amount of risk or liability covered by insurance services…

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 the difference between dominant and recessive trait?

A: A gene is the basic physical and functional unit of heredity and is composed of DNA(deoxyribonucleic…

Q: Do males and females show equal chances of inheriting tge trait? Why or why not?

A: Gregor Johann Mendel was an Austrian Monk, who is known as the father of genetics published the…

Q: What are some codominant traits?

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

Q: What is quantitative inheritance?

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

Q: If two parents have a recessive trait, can they have a child that has a dominant trait?

A: Introduction  Even if only one copy of the dominant trait exists, dominant traits are always…

Q: What is the genotype of a person without freckles?

A: Freckle is a disease caused by the excess production of melanin (skin pigment). On the exposure of…

Q: Why do unrelated children with a disorder such as Down syndrome resemble each other more closely…

A: Down syndrome is a genetic disorder that is caused due to presence of an extra copy of the 21st…

Q: What are polygenic inheritence?

A: Gene is a particular nucleotide sequences in RNA or DNA. It is generally located on a chromosome.…

Q: What are the possible causes of genetic variations? Give specific examples.

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

Q: What is an example of why genetic testing is done on prospective parents?

A: BASIC INFORMATION  MUTATION  It is sudden or discontinuous variation These changes occurs in 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: How can genetic heterogeneity affect inheritance patterns?

A: Inheritance is a mechanism in which traits of the parents transfer into the offspring of the next…

Q: How is this trait inherited?

A: Epistatic : It is a circumstance where the expression of one gene is affected by the expression of…

Q: What are the types of non Mendelian inheritance?

A: To satisfy Mendelian inheritance, some assumptions should be taken. They are -  1. Organisms should…

Q: How does the pedigree of an autosomal recessive trait differ from the pedigree of an X-linked…

A: Introduction Pedigree Analysis: this is the new approach to study the inheritance pattern in the…

Q: What is an example of a non Mendelian trait?

A: Non-Mendelian patterns of inheritance are also called the "complicated patterns of inheritance".…

Q: What is polygenic inheritance?

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

Q: Give an example of genetic traits. Explain 2.Give an example of genetic disorder. Explain

A: An inherited trait or genetic trait is a trait that is received by an organism from its parents.…

Q: What is a trait for which symptoms are not present at birth and manifests themselves later in life?

A: Genetics is the study of inheritance of genes among the generations that deals with heredity and…

Q: What does A Vertical Pattern of Inheritance Indicates?

A: The study of genetic variations, heredity, and genes is called genetics.

Q: Which allele is an example of a loss-of-function allele?

A: The mutation of a gene or allele can produce mutant allelic forms that either produce a reduced…

Q: Why are the concepts of variable expressivity, incomplete penetrance, and delayed age of onset so…

A: Hereditary linkages explain how a genetic condition is passed down through the generations in a…

Q: Do you think albinism is caused by a dominant or recessive allele?

A: Albinism is a condition where the production of melanin is affected. Melanin is a pigment that gives…

Q: What causes quantitative inheritance?

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

Q: Is a widow’s peak a dominant or recessive trait?

A: Dominant and recessive traits exist when a trait has two different forms at the gene level. The…

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.