What is the unusual phenomenon in which the expression of an allele depends on the parent that transmits it?

Q: Based on the results of Mendel’s experiments, what principle of heredity supports his findings on…

A: Introduction  The transmission of qualities from parents to offspring is referred to as heredity.…

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: Which allele directs the production of higher levels of functional Rugose protein?

A: The rugose gene plays a crucial role in the formation of the correct retinal pattern in the eye. It…

Q: What is an allele is lethal only under certain conditions?

A: Lethal alleles as the term suggests are the death-causing alleles and occur due to mutation.  The…

Q: What advantages do pea plants and fruit flies have for studies of inheritance? Why aren’t humans…

A: PEA PLANT Pea plants were available in a wide array of distinct shapes and colors, which will be…

Q: What is the degree of intensity with which a particular genotype is expressed in a phenotype?

A: The expressivity is the degree of intensity with which a particular genotype is expressed in the…

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 Dominant and Recessive allele of the Double Muscling phenotype of a Belgian Blue beef…

A: *Double muscling is an inherited disease seen in cattle breeds. * But mostly seen only in  few…

Q: What is the pattern of inheritance shown by the following example? A brown guinea pig mated with a…

A: Incomplete dominance is when a dominant allele, or form of a gene, does not completely mask the…

Q: What are Possible Dominance Relations in case of antimorphic mutations?

A: Mutations can be classified depending on the behavior of various mutations in different genetic…

Q: Why is this factor essential for the dominant allele to “take over” the gene pool?

A: Discoverers of this genetic equilibrium (Hardy) developed this HW equation to show that the dominant…

Q: What is a gene with only one common, wild-type allele?

A: The coding region of the gene is known as allele. Wild-type alleles are the original form of the…

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: Why does a loss or an excess in genetic material lead to the expression of an abnormal phenotype?

A: Mutations are changes in the DNA sequence. Mutations can occur as a result of errors in DNA copying…

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: What describes a situation in which an allele's expression depends on the parent from which it was…

A: A gene is present in different forms that are expressed in a phenotype; allele is a one of the…

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: 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 an an allele that negatively affects the survival of a homozygote?

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

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: 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: why are certain genes just expressed in the mother and not in the father or vice versa?

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

Q: How many alleles does each of the 3 histocompatibility genes have?

A: Antigens are substances that activate the immune system of the body. Antibodies are antigen-binding…

Q: What is the relationship between the proximity of two genes and their inheritance?

A: The proximity of the two genes has great importance in inheritance of the genes.  This proximity is…

Q: How is it that asymmetric cell division influences gene regulation? What are the factors that…

A: The mechanism by which a parent cell splits into two or more daughter cells is cell division. As…

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: overlapping genes?

A: The basic physical and functional unit of heredity is the gene. DNA is the material that makes up…

Q: When both the alleles of a gene express themselves in heterozygous condition, the phenomenon is…

A: The study of genetic variations, heredity, and genes is called genetics. The mechanism by which…

Q: Are redundant genes revealed by loss-of-function or gain-of-function alleles and why is that the…

A: Genes can be defined as the segment of the DNA which consists of information about the genetic…

Q: What is the difference between genetic maternal effect and genomic imprinting?

A: Gene is a fundamental physical and functional unit of heredity. Genetic disorders and all physical…

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: What are Possible Dominance Relations in case of neomorphic mutations?

A: Any permanent change in the DNA’s nucleotide sequence is termed as mutations. Based on their effect…

Q: What are The effects of random events on penetrance and expressivity?

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

Q: What characteristics are exhibited by a Y-linked trait?

A: Genetic material is any material of animal, microbial, or plants, or other origin that carries…

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

A:

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: For two genes that show independent assortment, what is the frequency ofrecombination?

A: Gene is the working part of hereditary material. The study of genes is genetics. Gregor Mendel is…

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: How many 'a' alleles are present in Anaphase 1? How many 'F' alleles are present in each cell in…

A: Anaphase 1 : The homologues are pulled apart and move apart to opposite ends of the cell . The…

Q: Why lethal allele causes death at an early stage of development?

A:

Q: How can you use the product rule and sum rule to calculate the probability of a particular genotype…

A: In genetics the product rule can be defined as the probability of the independent events that is…

Q: What are Possible Dominance Relations in case of hypomorphic mutations?

A: Hypomorphic mutation: It is a type of mutation in which the alteration of gene produces a product…

Q: How is maternal inheritance different from the segregation Mendel observed for nuclear genes

A: The maternal inheritance is different from the segregation that Mendel observed for nuclear genes.…

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.