Q: What is the genetic basis of the wrinkled phenotype of pea seed?
A: Phenotype is the physical appearance of the trait which is observable.
Q: Are bananas triploid?
A: A fruit that lacks the seed precisely mature seeds is called seedless fruit. Some of the common…
Q: Name the type of cross pollination in Vallisneria & Bougainvillea.
A: In Vallisneria Hydrophily (pollination by water) occurs.
Q: When two plants belonging to the same genus but different species are crossed, the F1 hybrid is more…
A: John Ray gave the term species in his book Historia Generalis Plantarum. A species is a group of…
Q: How does polyploidy increase crop yield?
A: Ploidy is defined as the number of chromosomes present in the nucleus of a cell. In normal somatic…
Q: What are the methods used for testing phenolics in plants?
A: Phenolic compounds are the phytochemicals that are found in all plants. It consists of simple…
Q: Explain the Rules for Tetrad Analysis?
A: A tetrad is a group of four spores packed in the cell body of the parent. The spores are produced as…
Q: Why is it so expensive to produce a hybrid plant seed?
A: Hybrid plants are produced when plant breeders intentionally cross-pollinate the two different…
Q: c. Explain how this phenomenon relates to hybrid dysgenesis, described in Problem 29 of Chapter 13.
A: The P element in the Drosophila is the transposon genes. The transposons or transposable elements…
Q: Why is it impossible to cross a green and an albino plant?
A: Albinism is a result of genetic aberration that causes lack of pigments. In animals due to albinism,…
Q: What are the advantages of breeding for disease-resistance in plants?
A: Plants resistant to disease are protected from any pathogen attack and it depends on plant genetic…
Q: What is the phenotype of the hybridization of Brassica campestris and Brassica nigra in brief…
A: Brassica is a plant genus that includes cabbage and mustard plants (Brassicaceae). Informally,…
Q: What are millets in plant breeding?
A: Milletes are small seeded crops such as pearl,ragi, sorghum. they are said to be rich in mineras and…
Q: How would you devise a screen for mutations in Arabidopsis that result in female gametophyte…
A: A genetic screen or mutagenesis screen is an experimental technique used to identify and choose for…
Q: What are pure bred strains, P1 , F1 and F2 generations?
A: The pure breeding lines were used as the parental generation (P) in the crosses conducted by Mendel.…
Q: How Monoploid Plants Are Useful to Plant Breeders?
A: Ploidy is the number of copies of homologous chromosomes in the genome of an individual. If the…
Q: What arre the function of wheat and rice in plant breeding?
A: Plant Breeding is a technique to produce new varieties of plants that are superior to their parents.…
Q: How did mendel prove the genotypes of F1 plants?
A: Mendel performed this genetic experiment using the common pea plant. He observed that these pea…
Q: Describe in detail a molecular mechanism that could explain how two groups of genetically identical…
A: Various epigenetic changes take place which can alter the phenotypes of the individual Epigenetics…
Q: Name two better yielding varieties of rice developed in India?
A: In India, Rice production is essential for the national economy. India produces world’s largest…
Q: Who developed hybrid corn in the United States?
A: A hybrid plant is the result of cross pollinating two different plant varieties and growing the seed…
Q: What practical applications could be made with male sterile lines of maize?
A: Plants that are devoid of functional pollen grains carrying male gametes are known as male sterile…
Q: What would be the most likely effect of deleting flowering locus D (FLD) in Arabidopsis thaliana?
A: One method of gene regulation is done by histone modification. The histone protein’s tail is…
Q: What is photoperiod?
A: For growth and development, all the plants depend on various environmental factors like,…
Q: What are multiples allels?
A: Gregor Mendel knew how to keep things basic. In Mendel's work on pea plants, every gene came in only…
Q: What is meant by purebred strains of plants?
A: Purebred stain means an organism always transfer a particular phenotypic characteristic to the…
Q: Based on your knowledge of genetics, how would you determine whether kanamycin or BASTA-resistant T2…
A: Kanamycin A, often known as kanamycin, is an antibiotic used to treat tuberculosis and severe…
Q: How mutant enzymes could cause variation in many phenotypictraits ?
A: The mutation is the sudden deleterious effects in the DNA sequences, they can arise when the DNA is…
Q: Using monoploid plants to select for herbicide resistance?
A: Plants are autotrophs. They are called so because they are not dependent on other organisms and can…
Q: When two plants (A and B) belonging to the same genus but different species are crossed, the F1…
A: Plant breeding is done to genetically improve the crop to produce desired plant types that are…
Q: red tilapia a production of hybridization?
A: Fish hybridisation Fish hybridisation is a process by which different species of fishes are crossed…
Q: What is breeding resistant for plant cultivars? Explain
A: The main aim of plant breeding is to produce crops and seeds with traits like better yield, disease…
Q: What are the function of mutation in plant breeding?
A: Mutation means sudden changes occur in DNA sequences. The mutation occurs randomly. It also occurs…
Q: What are some possible advantages to producing cultivated bananas that are polyploid? What might be…
A: Polyploid; poly means many and ploidy means set of chromosomes Thus, polyploidy is a condition in…
Q: What is the phenomenon of apical dominance in plants? How can it be artificially eliminated?
A: Introduction :- Apical dominance is a phenomenon in botany in which the plant's main, central stem…
Q: With which trait golden rice is a transgenic crop of the future?
A: In the genetically modified crops, the DNA of plants is modified by using methods of genetic…
Q: When a Pp-genotype plant is bred with a pp-genotype plant, what percentage of the offspring is…
A: Introduction A gene is consisting of a pair alleles/ factors and can be dominant or recessive.…
Q: Mention the advantages of selectind pea plants foe experiment by mendal?
A: Gregor Johann Mendel was an Austrian botanist, teacher, and Augustinian prelate. He the first person…
Q: The non shattering tetraploid Emmer variety of wheat is ? O a, Triticum durum O b. Triticum…
A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…
Q: In plant and animal genomic transmission level, what particular phenetic variants are likely…
A: Phenetic refers to classification of organisms based upon the similarities present in them for…
Q: What is cross-breeding of plants?
A: Animals and plants reproduce by mating and producing offspring.Plant breeding is the process of…
Q: How would you screen for mutations in Arabidopsis that result in female gametophyte lethality? How…
A: In angiosperm female gametophyte is also called embryo sac. It gives rise to female gamete and it is…
Q: Disscuss the genetic basis of wrinkled phenotype of pea seed?
A: Genetics is the branch of biology that deals with the study of genes, their inheritance patterns,…
Q: if a plant is an auto-tetraploid with the genotype A1A1A2A2, what is the frequenct of offspring with…
A: Autotetraploid plant is a kind of autopolyploid plant that contains four similar genomes. This can…
Q: What is The Forked-Line Method ?
A: F1 refers to the offspring produced by crossing two parents organisms. The resulting generation is…
Q: What is bagging technique? How is it useful in a plant breedingprogramme?
A: Artificial hybridization is a technique where only desired pollen are introduced to the stigma…
Q: What is the phenomenonof apical dominance in plants?How can it be artificiallyeliminated?
A: Auxin is a very powerful growth hormone that is produced naturally by plants. They are found in in…
Q: . How would you “re-create” hexaploid bread wheat fromTriticum tauschii and Emmer?
A: Durum is a form of wheat and is found to be tetraploid in nature. Bread is also a form of wheat and…
Q: Draw a diagram of a cross between Dura and Pisifera. F1 and F2 and their genotypic and phenotypic…
A: A monohybrid cross is a cross between two organisms that vary at one genetic location. In a…
How rbcL gene distinguish between Japonica cultivars and Indica cultivars?
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- How DNA sequence information can be utilized for protection of released crop varieties under Intellectual Property Rights?How would you screen for mutations in Arabidopsis that result in female gametophyte lethality? How would you screen for mutations in Arabidopsis that result in male gametophyte lethality?How would you devise a screen for mutations in Arabidopsis that result in female gametophyte lethality? How would you screen for mutations in Arabidopsis that result in male gametophyte lethality?
- How much work is it to obtain such a large progeny sizein corn? Which of the three genes would take the mostwork to score? Approximately how many progeny arerepresented by one corncob?What is the phenomenonof apical dominance in plants?How can it be artificiallyeliminated?What risks are involved in genetic engineering of crop plants? How do these risks compare with other risks involved in traditional plant breeding?