Which of the following statements about genes is incorrect? Select one: O a. During fertilization, both the sperm and the ovum contribute genes to the resulting fertilized egg. O b. Genetic differences can result from changes in the DNA called mutations. c. Genes correspond to segments of DNA. O d. Under normal circumstances, each chromosome contains precisely one gene. O e. Many genes contain the information needed for cells to synthesize enzymes and other proteins.

Q: Within a cell, the amount of protein made using a given mRNA molecule depends partly on A. the…

A: Messenger RNA (mRNA) is a type of RNA molecule that carries the genetic information from DNA to the…

Q: If a mutation deletes the start codon in a eukrayotic gene, which of the following most accurately…

A: The start codon is a three-nucleotide long sequence in a gene that is responsible for the initiation…

Q: If a mutation deletes the promoter in a eukrayotic gene, which of the following most accurately…

A: mRNA means messenger RNA. mRNA forms from the template DNA strand. The template DNA strand is used…

Q: Which of the following genes is believed to have resulted from a favorable mutation, and has been…

A: A favorable mutation is a genetic alteration that enhances an organism's ability to survive and…

Q: The only thing that effects gene expression is if the gene is dominant    Choose: A. Yes, all…

A: Gene expression is the process in which genetic information can be interpreted as phenotype. The…

Q: olyploidy refers to: a. extra copies of a gene adjacent to each other on a chromosome b. an…

A: Chromosomes are thread-like structures situated within the nucleus of animal and plant cells.…

Q: A genetic researcher notices that individuals with a particular genetic disease have a shortened…

A: Silent Mutation : As the name says silent mutation, these are the mutations in DNA which doesn't…

Q: At birth a child has got blue eyes, but now his/her eyes turn brown. Which of the following…

A: The genes which encode for the eye color actually just decide the levels of pigment to be present in…

Q: A mutation in a coding region of DNA, but that does not change the amino acid, would almost…

A: *! silent mutation is due to a point mutation that gives different codon transcribed as a synonymous…

Q: Nucleic acids are isolated and analyzed from different cells in a mammal. How would the DNA sequence…

A: The DNA sequence of a skin cell would be similar to that of a nerve cell. Since, both of them are…

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: Exposing Escherichia coli (e.coli) to ionizing radiation results in DNA damage. Say you perform an…

A: Gene expression is the process by which information from a gene is used in the synthesis of a…

Q: Which of the following statements best describes the effect a nonsense mutation within a gene's…

A: Mutations are the sudden change in the DNA sequence which most likely alters the amino acids encoded…

Q: QUESTION 10 When you exercise, you typically start breathing harder. This is because: You are…

A: As per our guidelines, we are supposed to answer one question.   On starting to exercise the muscles…

Q: A scientist is curious about the effects of diet on the gut length of spadefoot toad tadpoles.  She…

A: Tadpole  It is a stage in the life cycle og amphibians. Most of the tadpole live in the water and…

Q: Which of the following statements about genomes is TRUE? 1.Approximately 50% of the human genome is…

A: The totality of an organism's genetic data is included in its genome. It provides all the guidelines…

Q: The "Central Dogma of Life" states that the pattern of information that occurs most frequently in…

A: Central dogma is the process that occurs in the lifecycle of cell through which information present…

Q: An example of a single gene disorder is O a. Cri-du-chat Syndrome O b. Phenylketournia Patou

A: Cr-du-chat Syndrome : It is a rare genetic disorder which is caused by a missing section on a…

Q: A student reads that deer mice that migrated to the hills of Nebraska originally had dark colored…

A: Mutation is a sudden change in the sequence of base pairs resulting in altered phenotype.

Q: Create an analogy for the process of gene expression. In your analogy, be sure to explain the…

A: The genes are located on the chromosomes and it is the part of DNA sequence that ultimately produce…

Q: During which stage of translation are the small and large ribosomal subunits recruited? a.…

A: Protein synthesis may be broken down into the same three processes as mRNA synthesis: initiation,…

Q: (I) Ordinary fish (II) Icefish 3 2 a-Globin gene 3 a-Globin gene fragment (pseudogene) 1 2 3 4 5…

A: Sequence alignment refers to the joining of two sequences based on the similarity of some portions…

Q: Which of the following statements about the differential expression of human genes is correct?

A: There are three postulates of differential gene expression, two of which states that -  1. Every…

Q: Which of the following situations does not describes a chromosomal mutation? Select one: a. A…

A: The chromosomal mutation generally means, The whole chromosome or whole gene is affected by any kind…

Q: DNA methylation prevents gene expression.  Methylation and de-methylation are stimulated by a…

A: Methylation  Methylation is metabolic process takes place on the DNA. The methylation of DNA control…

Q: You are working in a lab that studies stickleback fish. These fish normally have three spines that…

A: Mutations are changes in the DNA sequence of organisms which may or may not affect its phenotype.

Q: DNA methylation is A. heritable and generally activates gene expression. B. heritable and…

A: The gene expression is the production of mRNA from the DNA that is known as transcription. This…

Q: Describe an experiment you could perform or evidence you could observe that would prove that DNA is…

A: Introduction: Despite the fact that researchers found the mechanism causing trait inheritance to…

Q: Which of the following order of events correctly depicts the Central Dogma as it would occur in an…

A: The Central Dogma of molecular biology, first proposed by Francis Crick in 1958, represents the flow…

Q: You are studying a protein that you observe to be located in the ER and Golgi. You hypothesize that…

A: Introduction :- ER and Golgi are membrane bound organelles, which are present in the cytoplasm of a…

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.