ing pathway: • blue pigment enzyme A colorless (white) compound enzyme B red pigment

Q: In sweet peas the synthesis of purple anthocyanin pigment in the petals is controlled by two genes,…

A: Anthocyanins are the pigments that give red, blue, or purple color depending on their pH. They are…

Q: What is mutation? Explain the significance of mutation in plant breeding. Give an example of a…

A: The genetic material is the fundamental building block for life that is present inside the nucleus…

Q: Many beautiful varieties of roses have been produced, particularlyin the last few decades. These…

A: Horticulture basically refers to the agriculture of food, materials, comfort, and beauty for…

Q: One issue with interrupted-mating experimentssuch as that in Problem 19 is that gene order may…

A: The data given is  Exconjugant type         Number of exconjugantsArg+ Mal+ Xyl+ Pyr+        80Arg+…

Q: . A true-breeding strain of Virginia tobacco has dominantalleles determining leaf morphology (M),…

A: A gene is the physical and functional unit of heredity. A gene is a sequence of nucleotides in…

Q: Does this statement is a  example of a phenocopy? Explain your reasoning. Q. Dwarf plants and…

A: Gene is a functional unit of heredity. A gene is a sequence of nucleotides in genome that codes for…

Q: Data has been collected on the number of black seeds and yellow seeds on a cob of corn. The data,…

A: Chi square value is calculated in order to find the cross accepts or rejects the mendelian dihybrid…

Q: In considering the formation of the A–P and D–V axes in Drosophila, we noted that, for mutations…

A: Maternal effect genes are the ones that are contributed to the egg by females.

Q: Five independently isolated mutants of yeast all of which are unable to grow in the absence of…

A: The term genetic complementation of two genes suggests that the two mutated genes have a mutation at…

Q: You are working with two different yeast cultures to study their genetics. But, you are not sure…

A: Saccharomyces cerevisiae, a yeast species, mates when two haploid cells of opposing mating types…

Q: 5. › Polyphenoloxidase is involved in the darkening of wheat products due to its oxidative effect on…

A: Enzymes are biocatalysts which increase the rate of chemical reaction by decreasing the activation…

Q: 5) Scale color in dragons is determined by two genes. The W gene is epistatic to the G gene. The W…

A: Epistasis is also known as non allelic interaction.  It does not follow Mendel's laws.

Q: A) Describe the data you collect from the Purple 1 x Purple 2 cross. Predict the genotype of each of…

A:

Q: . The two loci P and Bz are normally 36 m.u. apart on thesame arm of a certain plant chromosome. A…

A: It is given that two loci, p and Bz loci are placed at a distance of 36 map units (m.u). Both the…

Q: You are a developmental geneticist studying flowering time variation in Arabidopsis. You perform a…

A: Genes  In biological sciences, gene is the basic hereditary unit that transfer from parents to their…

Q: A C Colourless = purple orange red yellow Genes A, B, C, D, and E are independently assorting. The…

A: Introduction The Punnett square is a square diagram that's wont to predict the genotypes of a…

Q: The mitochondrial genome of Chlamydomonas contains the lowest number of genes, 12, of all the…

A: Mitochondrial genome of chlamydomonas contains linear double stranded DNA that is inherited from…

Q: 5. ( Polyphenoloxidase is involved in the darkening of wheat products due to its oxidative effect on…

A: Enzymes are highly specialized proteins that have extraordinary catalytic power, greater than that…

Q: . Calculate the 2 possible values of x in this equation: x2 – 16x + 48 = 0, either by using the…

A: The objective of this question is to find the two possible values of x in the given quadratic…

Q: If you engineer an A::B construct into a B loss of function mutant Arabidopsis plant you would…

A: According to the ABC model, Whorl 1 is determined to be sepals by product of A genes (apetala1 and…

Q: 4. (a) Please fill out the following table to describe the classic floral phenotypes of A, B, and C…

A: The flower contains sepal, petal, stamen and carpel. There are three genes which controls the…

Q: A+ 70°F, a cell cultule is able to qraw and divide Parever, but aften a new mutatiùn is found in the…

A: the mutation is a process in which there is a change in the sequence of the DNA. it can be a small…

Q: Erythritol is a natural sugar abundant in fruits and fermentingfoods. Pathogenic bacterial strains…

A: Erythritol is a natural sugar abundant in fruits and fermenting foods. Pathogenic bacterial strains…

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: Why have we chosen a human Rab protein with no direct yeast equivalent as an “outgroup” for this…

A: Rab protein: it plays important role in recruitment of organelle specific vesicles tethering…

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: You are a developmental geneticist and perform a mutagenesis screen in Arabidopsis looking for…

A: There are four whorls in a flower. The 1st whorl is the sepal. The 2nd whorl is the petal. The 3rd…

Q: You are a developmental geneticist and perform a mutagenesis screen in Arabidopsis looking for…

A: Mutation  The change in basic original structure of DNA is known as mutation.

Q: In general, larger plants have larger organs.  So, one option for increased yields is to breed and…

A: Generally, larger plants have larger organs than smaller plants. This is because the size of a…

Q: Why plant breeders intend to change the inheritance of crop plants? How plant breeders can change…

A: Heredity is the sum of genetic endowment that is obtained from the parents. It is the transmission…

Q: Which of the following is the most likely target of retinoblastoma protein (RB)? a kinase…

A: Retinoblastoma protein (RB) is a tumor suppressor protein that plays a crucial role in regulating…

Q: In humans, PKU (phenylketonuria) is a recessive disease caused by an enzyme inefficiency at step A…

A: A recessive disease requires two copies of the abnormal allele to manifest, that is, individuals…

Q: A mutation that breaks which of the following genes would be most likely to produce the…

A: The first molecular characterisation of the gene responsible for a trait in Fast plants. The trait…

Q: Give and explain three reasons why Arabidopsis makes a good model organism for plant genetics.

A: Arabidopsis belongs to the Brassicaceae family and the Thaliana species is used widely for research…

Q: During the course of a research project you generate a gene knockout line in Arabidopsis thaliana to…

A: Gene knockout is a technique through which a gene is inactivated by altering or manipulating the…

Q: the photos below show flowers from two Arabidopsisplants. The plant on the left is wild-type…

A: Arabidopsis thaliana is used in Alexander bruan experiment to explain the double flower mutant…

Q: Heterosis has played a key role in productivity enhancement in crop species. As a plant breeder,…

A: Heterosis is described as a cross between two distinct inbred strains that results in the progeny…

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.