What are dominant-negative, or antimorphic, alleles?

Q: How can the same phenotype stem from many different genotypes

A: Sir Gregor Mendel was a priest and a teacher who did the famous hybridization experiment on garden…

Q: Types of Dominance?

A: An allele is a variant form of a given gene. It means, it is one of two or more versions of a known…

Q: What are Polygenic and Multiple allele?

A: Introduction  Phenotype of any organisms is basically controlled by genes present in various loci on…

Q: What is the relationship between the genotype and phenotype?

A: 1) GENOTYPE- It is the set of genes that we have inherited from our parents and will pass on these…

Q: What are alleles?

A: Alleles determine the phenotype of an organism. A human is diploid, meaning that humans have two…

Q: What are two different alleles for a trait?

A: A trait is defined as the particular characteristic such as skin color, height, eye color etc. The…

Q: What are genotypes

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

Q: What are the alleles present in an individual?

A: A gene is a precise region of the DNA which regulates a specific trait. An allele is defined as one…

Q: How many phenotypes are possible?

A: All cellular systems are controlled by proteins. Proteins are synthesized by the cell by a process…

Q: What are three similarities and three differences between dominant alleles and recessive alleles?

A: Genetics is a study of genes, heredity, and genetic variation in an organism. Living organisms…

Q: What is the difference between a gene and an allele?

A: Genes and alleles are an essential part of genetics.

Q: How does crossing over shuffle alleles?

A: The meiosis is a cell division process that involves division of a diploid (2n) mother cell and…

Q: What is the presence or absence of the dominant alleles of two genes?

A: An allele is an alternative form of a gene (one member of a pair)which is located on the specific…

Q: What are genomic imprinting and nondisjunction?

A: The process of genomic imprinting and nondisjunction are related to genetic material or genome.…

Q: Why are some alleles dominant and some recessive?

A: A short-portion of the DNA is termed as a gene. The genes are the essential functions as well as…

Q: Is it possible to determine the genotype of an individual having a dominant phenotype? How?

A: Phenotype refers to the set of observable characteristics in an organism. Although it is dependent…

Q: Why are some alleles dominant to other alleles?

A: In 1865, Gregor Mendel an Austrian scientist experimented on garden pea hybrids and published his…

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 determines whether 2 alternative alleles of a single gene show complete dominance, incomplete…

A: Gregor Mendel gave the model of inheritance while working over the pea plant. An allele is the…

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 fitness concerned with a particulargenotype ?

A: Evolution is the process by which an organism inherits or adapts favourable characteristics that…

Q: Define the following: additive alleles ?

A: Genes are the segments of DNA (deoxyribonucleic acid) that contain genetic information.  This…

Q: What is the concept of dominance?

A: Dominance is the power and influence over the others. In genetics, it is the process of one allele…

Q: What are alleles of a gene?

A: A gene can be defined as the unit of heredity and are made up of DNA. These genes are responsible…

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 are factors that alter the phenotypic expression of genotype?

A: Genotype The genotype can be defined as the genetic make-up of an individual organism. Our genotype…

Q: What is crossing over frequency?

A: Crossing over occurs during Prophase (diplotene stage) of meiosis-I and plays a key role in genetic…

Q: What is a trait is intermediate of parents?

A: According to Mendelian inheritance, a single character is controlled by one or more genes where each…

Q: What are Wild type allele and Mutant allele?

A: Alleles occur on the same locus in the homologous chromosomes of an individual and they are…

Q: Are multiple alleles, lethal alleles, and epistasis common or rare in humans? Why?

A: Multiple alleles refer to the different alleles of a single gene. It can be one or more than one.…

Q: How are alleles of particular gene differ from each other?explain its significance?

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

Q: What is the law of dominance?

A: Law of dominance is one of three laws given by mendel to comprehend the exchange of qualities from…

Q: Why amorphic alleles are usually recessive to wild-type alleles?

A: Step 1 Mutation can result in mutant alleles that no longer produce a similar type of active product…

Q: . What is the original source of variation among thedifferent alleles of a gene?

A: Genetic variation is the term which is used to define the variation in the genetic makeup of a…

Q: Why do you think deleterious dominant alleles are not very common?

A: Microevolution:- It is defined as changes in the frequency of a gene in a population, herbicide…

Q: How heritable are these traits?

A: Heritability refers to how effectively genetic variations explain for variances in people's…

Q: How to establish the dominance relations between multiple alleles?

A: Allele sets may have an assortment of dominance connections. There is frequently a wide range of…

Q: What are Hypermorphic alleles?

A: Alleles are the variant forms of gene. Genes carry coded genetic information in the form of specific…

Q: What is the difference between codominance and incomplete dominance?

A:

Q: What are co-dominance?

A: According to Mendelian inheritance, a single character is controlled by one or more genes where each…

Q: What is the difference between genotype and phenotype?Give an example of each

A: The inheritance of traits from the parents to the offspring occurs through genes present on the…

Q: What is an allele?

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

Q: What are heterogeneous traits?

A: Genes are the structural and functional units of heredity that carry coded genetic information in…

Q: What are some examples of Nondisjunction?

A: Non-disjunction refers to failure of the two members of a chromosome pair to segregate from one…

Q: What is alleles?

A: The term 'chromosome' has been derived from the Greek word which means 'color (chroma) and body…

Q: Is it possible to determine the genotype of an individual who has a dominant phenotype? Why or Why…

A: The genetic makeup of an individual is known as genotype.  The genotype reflects the alleles or the…

Q: What are allele-specific oligonucleotides,?

A: The blotting technique is the process of transferring the DNA, RNA or proteins present in the…

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.