20. Interspecific crosses are rare in nature and intergeneric crosses almost unknown. Why? 21 Differentiate between pisciculture and agquaculture.

Q: 21. As the seed develops, the ovary wall becomes the:

A: Ans- b) Pericarp (The Wall of Ovary develops into fruit)  In Angiosperm, the final product of sexual…

Q: 1. In corn, resistance to a certain fungus is governed by a recessive gene r, while susceptibility…

A: The condition where two identical genes are present in an individual for a particular character is…

Q: Which of the following is the genotype of a purple corn kernel P. PP Pp pp

A: The genotype is defined as the collection of genes in an individual. Thus, the genotype is a set of…

Q: 7. Tomato has a diploid chromosome number of 24. How many chromosome would be expected in: a.…

A: Introduction : The number of chromosomes in the nucleus of a cell is the diploid chromosome number…

Q: #6 Match the reproductive structure to the correct generation and type of cell division that…

A: In the Plant Kingdom, the characteristic feature of its members is that they undergo a…

Q: 1. For each phenekype, give the genotypes that are possible for Pat A tall head (T) is dominant to…

A: Genes are present in the nucleus. They he!ps in the inheritance of genetic information from one…

Q: 18) Hydrangea plants of the same genotype are planted in a large flower garden. Some of the plants…

A: The Hydrangea plants planted are of the same phenotypes and produce two types of flowers, one with…

Q: please describe 2 similarities between linkage and independent assortment

A: Genetics is the branch of science and it mainly deals with the study of genes. Inheritance can be…

Q: 6. In a chemical mutagenesis experiment to determine whether two mutated parents could produce new…

A: W gene encodes white color and it is dominant over w allele. The ww genotype encodes yellow color.…

Q: 18. In much of the northern United States, the bracken fern, Pteridium aquilinum, grows in clones…

A: The correct option is- b) not result in evolution of the chemical defenses.

Q: А. В. Generation Ceneration Genan D. E. Generation 1. Which graph above represents the outcome of…

A: Option a) graph which represents the heterozygote advantage. The generation in the first graph is…

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: 1.Find the ear of corn marked Dihybrid Testcross. This ear represents the offspring of the cross…

A: NOTE- since you have posted multiple questions so we will be solving the first question for you. If…

Q: . Which of the following has a genotype with homozygous purple flower and heterozygous tall plant.…

A: * Homozygous and heterozygous are used to describe the allele pairs. *Individuals that carry two…

Q: Most homologous chromosomes are not the same at the end of prophase I as they were at the beginning…

A: 'During  prophase I the homologous chromosomes condense in structure and look like x shape. In early…

Q: 2. Count and record the observed phenotypes for all kernels observed on the image below. Record in…

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

Q: 46 46 9:41 ON docs.google.com. + 24 Investigation: Drosophil. TVOtes. 4. Mate the offspring of this…

A: Introduction Drosophila melanogaster is a fly species belonging to the Drosophilidae family. The…

Q: Some plants reproduce vegetatively and have a life cycle that features the alternation of haploid…

A: The plants and multicellular algae possess two alternating generations in their life cycle, unlike…

Q: There

A: Interbreed: Mixing of two different varieties of species together to form a hybrid offspring.…

Q: 10.It seems surprising that certain orchids successfully deceive insects into“copulating” with their…

A: Evolution is the process by which an organism inherits or adapts favourable characteristics that…

Q: 4. The actual F2 generation kernels (offspring) are pictured below. Count the number of purple and…

A: If you want any specific questions to be solved, then please specify the question number or only…

Q: 25. A collection of all the alleles of all the genes of a crop plant is called: a. germplasm…

A: Germplasm contains information about the genetic makeup of the diverse species of plant diversity.

Q: yellow normal-54 yellow opaque-19 white normal- 15 white opaque-8 1. Diagram the hybrid cross…

A: This is an example of the dihybrid Cross with two characters or traits  involved one is for…

Q: In just a few sentences, discuss why homoploid hybrids typically have a more difficult time forming…

A: Homoploid hybrids: It is the common type of hybrid speciation in plants seen where production of…

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: Selaginella with strobili, and a photomicrograph of the longitudinal section of a mature strobilus.…

A: The Selaginellales (spike mosses) are an ancient group of plants which are preset in both the modern…

Q: Two unrelated species of plants were hybridized. Species A is described as 2n = 16 Species B is…

A: Chromosome doubling can be performed in laboratory by using chemicals like colchicine which is…

Q: describes an example of a maternal effect gene. Explainhow Sturtevant deduced a maternal effect gene…

A: A gene from the maternal genome gives products that are required for the early development of the…

Q: 6. A research group has selected three independent Trp−haploid strains of Neurospora, each of which…

A: Hello there! As you have posted multiple questions, we are answering only the first two questions…

Q: 3. A pea plant heterozygous for inflated pods (li) is crossed with a plant homozygous for…

A: Homozygous alleles- The condition in which the alleles are similar for a particular trait is called…

Q: If the Diploid number of Carrots is 18, the haploid number is 18 36 9 27

A: Ploidy of any organism Or species may be defined as number of complete set of chromosome in a cell.…

Q: 8 Why X-chromosome aneuploidy can  cause sterility

A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…

Q: 33. If the number of chromosomes in gametes of corn is 12. What will be the number of chromosome in…

A: Aleurone layer is a layer of cells that shapes the peripheral layer of the endosperm which is…

Q: Figure 4 shows the hybridization process between plant P and Q. b) What is process A?

A: Hybridization is that process of crossing  individuals with two genetic makeup, to create new…

Q: A wrinkle-seeded plant (rr) is crossed with a round-seeded plant (Rr)

A:

Q: corn, male sterility is controlled by maternal cytoplasmic elements. This phenotype renders the male…

A: Hi dear, here's your answer what you want. Can you please give me an upvote for this answer.

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: Meiosis: Reproduction 1. Mitosis is categorized as a form of sexual reproduction. 2. Give an example…

A: DISCLAIMER : Since you have posted a question with multiple sub-parts, we will solve first three…

Q: 10. What are the advantages of polyploidy? Hybrid vigour Produce smaller leaves Produce more flowers…

A: The word Polyploidy is formed by : Poly means Numerous while ploidy means Chromosome sets . Presence…

Q: 3. Consider the chromosome pattern AAAXXY in Lychnis. What sex is this? a. Male b. Male with…

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

Q: 2. The endosperm of maize can either be yellow of White. with two alleles, Y has yellow endosperm…

A: INTRODUCTION The endosperm is the tissue that surrounds and nourishes the embryo in angiosperm seeds…

Q: Tenera is grown for consumption seeds not as a source of oil palm seeds so it is not recommended to…

A: Dura and Pisifera are both varieties of the palm plant among which the Dura variety is formed due to…

Q: b) Fill in the blanks. I) In 1940 2) NBPGR stands for proposed RSGCA for developing synthetic…

A: RSGCA is utilised to enhance traits that are controlled by additive genes. With inadequate…

Q: 9. Given the following information on corn phenotypes, particularly for the heterozygote, C sh Wx Sh…

A: In the given question, we are given with the parent genotype. Because these genes are present on…

Q: fertile gametes

A: If fertile gametes is laggards it may perform very low and can not able to swim perfectly

Q: 39 The structures labelled A and B in the image below represent: CTAAATCGGT Allele for red flowers B…

A: Answer: Incomplete Dominance : When the gene expression of one allele expresses completely and the…

Q: The production of which structure in a flowering plant involves genetic recombination? A. haploid…

A: Genetic recombination is basically the reshuffling of the chromosomal material during the process of…

Q: Which of the following is the genotype of a purple corn kernel P. O P PP Pp O Pp

A: Answer given below..

Q: 10. A wheat plant producing medium red seed is crossed with another plant producing intermediate red…

A: Many genes are involved in the regulation of quantitative traits. QTL or Quantitative Trait Locus…