Which of the following phenotypes is an example of a temperature-sensitive conditional mutation? Siamese cats O Tay-Sachs O Phenylketonuria O Achoncoplasia O Porphyria

Q: How do dietary factors interact with DNA methyltransferase to affect an organism's phenotype in an…

A: The modulation of gene expression via processes other than the DNA coding sequence is referred to as…

Q: An additional gene, called W, is found that affects the synthesis of enzymes 1 and 2. Mutant d has a…

A: Introduction Positive regulator is a substance which increases the rate of enzymes activity.…

Q: resulting in dementia and memory loss that occurs in 10% of the US population older than 65. In the…

A: As mentioned in the passage Alzheimer's disease can occur due to the mutation in both the alleles of…

Q: Researchers have identified a gene in humans that (when mutant)causes severe dwarfism and mental…

A: Firstly, let's assume that we have isolated the normal gene from a healthy human, say gene X…

Q: Tay–Sachs disease is a severe autosomal recessive genetic disease that produces deafness, blindness,…

A: Tay-Sachs disease is a neurodegenerative disease that is caused by the mutation of the gene HEXA…

Q: Suppose in a hospital in the United Kingdom, out of 98,543 of babies born in the last 20 years, 13…

A: Myotonic dystrophy is a chronic genetic disorder that affects muscle function. It is a type of…

Q: How would you explain gene expression? How is it that a particular genotype is actually expressed as…

A: The central dogma is the flow of information that is carried by a gene that is expressed in the form…

Q: How many of the mutations listed below would lead to excessive cell growth when the cell was either…

A: Excessive growth occurs when a cell continuously divides and when there is no cell cycle arrest. Myc…

Q: Ⓒ Macmillan Learning Epigenetics is the study of heritable traits that are not induced by changes to…

A: The genome of an organism is a full copy of its genetic information. The proteins encoded by this…

Q: You isolate a bunch of different mutants, all in the same gene, that effects body length in your…

A: The function and development of any organism are controlled by genes. Mutations result in changes in…

Q: Which of the following has been directly associated with deficiencies in several genes, especially…

A: Introduction snRNPs, or small nuclear ribonucleoproteins, are RNA-protein complexes that combine…

Q: A defective gene on chromosome 15 causes Tay-Sachs disease. It is a central nervous system…

A: Tay-sachs is an autosomal recessive disease. It occurs due to defective gene on chromosome number…

Q: Which of the following best characterizes human mitochondrial mutations?`   They are sex linked.…

A: Answer : Option 'C' are correct : They are pleiotropic

Q: A strain of Drosophila known as dunce produces one-half the amount of cAMP phosphodiesterase found…

A: In Drosophila, olfactory learning is mediated by the cAMP system. Neural stimulation causes the…

Q: hemoglobin with different properties. Which of the following contributes to the varying 02 binding…

A: Hemoglobin is an iron containing protwun. The iron portion of the hemoglobin is called the heme and…

Q: he following statements is FALSE [ Select] [Select ] Sickle-cell anemia results in lower oxygen…

A: Sickle Cell anaemia is an autosomal recessive disease in which the hemoglobin is affected and…

Q: A snake species that has migrated from the mainland to a small island eats banana slugs instead of…

A: Constitution in the form of DNA of an organism is called its genotype and expressed character or…

Q: The gene known to be mutated in cases of Agammaglobulinemia 2 (which is inherited in an autosomal…

A: A rare hereditary condition that affects the immune system is agammaglobulinemia. The illness is…

Q: A lac I mutant allele that encodes a protein not capable of binding DNA is a: O Antimorph O…

A: In genetics, mutant alleles are variations or changes in the DNA sequence of a gene that can lead to…

Q: What phenotypes do you think a homozygous tra1hsn animal with a gain of function mutation in the…

A: Mutation changes genotype frequencies by continually implementing new alleles, that can be…

Q: Which of the following mutations is only found in Haplogroup F? O T16223C O G16230A O T16304C O…

A: A mutation is any sudden change in the genetic sequence of organisms. This can occur due to many…

Q: Bloom Syndrome Bloom syndrome is a rare genetic disorder. It is characterized by a short stature…

A: Bloom syndrome is effected by mutations in the BLM gene. Individuals with Bloom syndrome may evolve…

Q: Although most cases of cystic fibrosis are inherited in an autosomal recessive manner, it is…

A: Inheritance is the process of transmitting the traits from parent to offspring. Traits of an…

Q: If the effects of mutations 1 +3 is an eye size intermediate between wild type and mutation 1 alone,…

A: DNA or deoxyribonucleic acid is a polymer of deoxyribonucleotides connected together via…

Q: Proteins A,B,C, and D in the diagram are encoded by different genes and interact with each other.…

A: Answer. There are many different types of mutations that can occur in a coding sequence that can…

Q: An experimental assay for the blood-clotting protein called factorIX is available. A blood sample…

A: Factor IX is a blood clotting protein, which belongs to the family of peptidase Sl. It was found in…

Q: Ch. 13-7 Mutations in the TYR gene may render its enzyme…

A: A record of inheritance of certain genetic traits for two or more generations presented in the form…

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.