In the above example, the pathway can be simplified as below. Gene A and B are enzymes responsible for each step of the pathway.                 A                   B Blue eye --> Blue eye --> Brown eye Based on this pathway, what are the genotypes of the blue eyed parents?   A. A_bb and aaB_   B. aabb and A_B_   C. aaB_ and aaB_   D. A_bb and A_bb

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A: BASIC INFORMATION ABOUT GENETIC MATERIAL  DNA It stands for deoxyribo nucleic acid.  It is the…

Q: Which of the following statements about Tbx5 is true? a. Tbx5, Tbx4, and AmphiTbx4/5 have very…

A: Tetrapods are organisms with four limbs.

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A: Introduction  Enzymes are the biomolecules especially proteins. Which helps in the speeding up of…

Q: a way in which proto-oncogenes can change to become genes that induce cancer?

A: A proto-oncogene is a normal gene that can turn into an oncogene due to mutations or increased…

Q: organisms

A:

Q: which of these describes the symptoms of the disease(s) caused by mutations in this gene…

A: Mutation in the following gene i.e. XPA gene, causes malfunctioning of DNA repair mechanisms of our…

Q: Occasionally, a person is found who has one blue eye and one brown eye or who has a sector of one…

A: Introduction A mutation is a change in an organism's DNA sequence. Mutations can be caused by…

Q: The goal of most gene therapies is to insert a healthy copy of a gene into the genome.  Besides…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: DMC1 SPS1 DIT1 SPS100 fold repressed >20 1:1 fold induced x10x >20

A: The given question states three genes as named X, Y, Z and their transcriptional responses over time…

Q: E. coli are grown on a medium containing lactose. Once glucose is added to the medium, the bacteria…

A: In bacterial cells, the regulation of gene expression plays a crucial role in adapting to changing…

Q: Both ADA-SCID and type I diabetes are diseases based on lack of a particular protein. Why has the…

A: ADA means Adenosine deaminase deficiency and SCID is severe combined immunodeficiency.  ADA-SCID is…

Q: What type of database is OMIM?

A: OMIM (Online Mendelian Inheritance in Man) is a daily updated catalog of human genes and genetic…

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: From the list of answers below (A-D) select the correct answer(s). There may be more than one…

A: Need to find which of the statement is right from the following.

Q: What is the correct order of the gene sequence given the following information: AB - 13.2% BC - 6.4%…

A: Chromosomes contain genes. The order of genes is generally conserved in different organisms. The…

Q: E. coli has five genes that code for enzymes that make tryptophan. These genes are regulated by a…

A: When a group of related genes exist under the control of a single promoter, it is referred to as an…

Q: Sickle cell disease is caused by a substitution in the beta globin gene. As a result, one amino acid…

A: Normal RBC is a biconcave disc shape structure without any nucleus and have Cytoplasm that possess…

Q: Which of the following rows correctly identifies the difference between somatic gene therapy and…

A: Somatic therapies target genes in specific types of cells (lung cells, skin cells, blood cells,…

Q: Northern blot is an analytical technique commonly performed to study gene expression in experimental…

A: A tissue is defined as a group of cells that possess a similar structure and perform a specific…

Q: We use the Alu element polymorphism to trace each student's ancestry. This element is present in an…

A: Introduction  Polymorphism refers to the occurrence of multiple genetic variants, or alleles, within…

Q: Breeding two F1 mice heterozygous for a knockout allele will yield a. Knockout mice b.…

A: Dominant allele is expressed in homozygous as well as heterozygous state. In contrast recessive…

Q: F in this picture represents female . C = Children. And M = man. The arrow marked at number 1…

A: A laboratory technique called DNA fingerprinting uses a sample of DNA to identify a person by…

Q: Scenario 2: A scientist is studying a population of lizards in a local pond. The lizards are…

A: The mutation is a heritable change in the genetic makeup of the organisms and it leads to the…

Q: A21. Two single-base substitutions in the trpA gene of E.coli both affected amino acid number 234.…

A: Missense mutation defines the alteration of genetic code/codon via the single base pair…

Q: Go to the NCBI’s website at https://ncbi.nlm.nih.gov On the database dropdown menu, select “Gene”…

A: The RB1 gene (Retinoblastoma 1) is a tumor suppressor gene that is located on chromosome 13. The…

Q: You discover a recessive mutation that results in roses with no thorns (n). Investigating the…

A: No thorns is a recessive mutation. Homozygous condition of the gene (nn) produces roses with no…

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: Which of the following is the sequence in which the segmentation genes act? a. Segment-polarity…

A: Genes which are developed from zygotes are called zygotic genes. There are three types of zygotic…

Q: Pax-6 is a gene that is involved in eye formation in many invertebrates, such as Drosophila. Pax-6…

A: Genes are the units of heredity, in other words, we can say genes are the short nucleotide sequences…

Q: The case of golden labs in which a mutation in a gene for the pigment transport protein results in a…

A: It is given that there are two genes. The first gene encodes the normal pigmentation. The second…

Q: 20.TRC is a non mendelian trait. A.what is the mode of inheritance of total ridge count (TRC) in…

A: A mendelian trait is a trait that follows patterns of inheritance set forth by Gregor Mendel in his…

Q: Which ONE of the following genetic patterns defines a patient with acute myeloid leukaemia with the…

A: Any kind of alteration in the nucleotide sequence of an organism’s genome is referred to as a…

Q: If you wanted to produce a fly larvae with two head ends, which of the following would you do?…

A: The pattern formation in drosophila is a complex developmental event that is performed by…

Q: 1. A monogenic disease is a disease caused by a mutation in a single gene. For instance, sickle-cell…

A: * Sickle cell anemia is blood disorder in which red blood cells becomes mis shapen and turns into…

Q: What is the difference between a structural gene and a regulator gene? a. Structural genes are…

A: Gene is the hereditary unit occupying a specific position in the chromosome and carries…

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

A: In biology, a mutation is an alteration in the nucleotide sequence of the genome of an organism,…

Q: Which ONE of the following is TRUE concerning the so‐called Philadelphia chromosome? Select one:…

A: Chromosomal deletion is simply deletion of the part of the chromosome. Chromosomal inversion is a…

Q: Suppose that you are hired by a biotechnology firm to produce a strain of giant fruit flies, by…

A: Gene transfer: Gene transfer is the gene that is carried by the genetic material that is DNA…

Q: Which of the following mutations will most likely cause allelic dropout when amplifying an STR…

A: Each person is marked with two alleles that are present one each STR. This allele is inherited from…

Q: The study of the b-globin gene helped establish the one gene-one polypeptide relationship. Which of…

A: Mutation is a random process. It leads to change the nucleotide in a sequence of a gene.

Q: For the Igf2 gene, where do de novo methylation and maintenancemethylation occur?a. De novo…

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Q: What is the correct order of the gene sequence given the following information: AD - 25% AB - 15% AC…

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A: The DNA within the entire collection of chromosomes in each cell of an organism is its genome.…

Q: What does it mean for a transposable element to be effectively “dead”? A. The transposable elements…

A: A transposable element is a DNA sequence that can change its position within a genome

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.