were observed and used to make a map of these genes.  Calculate the interference.  A---(3.0)---D-----(4.8)-----B A) There is negative interference. B) 1.44 C) 2.08 D) 1 E) 0

Q: Consider the genetic map below. (a) In a total of 1000 observed progeny, how many would be expected…

A: The map distance between genes is expressed as the frequency of recombinant progenies observed. Its…

Q: In Brinjal eggplants, purple fruit is incompletely dominant to white fruit, with the heterozygote…

A: When a white flowering plant is about to make a cross with a purple flowering plant, the resultant…

Q: A heterozygous plant of AaBb genotype was testcrossed and gave the following results.   Phenotypes…

A: A trait is a characteristic feature that is unique to particular individual . A dihybrid cross is a…

Q: Multiple crosses were made between true-breeding lines of black and yellow Labrador retrievers. All…

A: Black ×Yellow →All Yellow (F1) F1×F2→121 Yellow +9 Black +30  Chocolate Total offspring in F2…

Q: Perform two consecutive crosses similar to those of Mendel for the following individual plants.…

A: Plants with round seeds (RR) and plants with wrinkled seeds (WR) are crossed (rr). Both parents are…

Q: Consider the following pedigree showing transmission of an unusual trait: a. What is the most likely…

A: Pedigrees It is a chart that shows presence or absence of traits across generations within a family…

Q: In barley, a self-fertilizing species that can be cross-fertilized, two true-breeding strains with…

A: Barley is an important crop, with having a broad physiological and morphological varieties along…

Q: f the G locus were 50 or more map units from the centromere, what types and proportions  of gametes…

A: Recombination in terms of genetics describe the process that explain the exchange of genetic…

Q: A cross between fruit files with genotypes Aa Bb × aa bb produces the following progeny: 10 Aa Bb…

A: Linkage is a phenomenon in which how genes are placed in close proximity to each other but in the…

Q: In a testcross of a corn plant heterozygous for 3 linked, recessive genes (a, b, & d), the following…

A: Alfred H. Sturtevant was the first to discover gene mapping. In order to determine the relative…

Q: ley, a self-fertilizing species that can be crossed fertilized, two true-breeding strains with…

A:

Q: In a series of two-point mapping crosses involving five genes located on chromosome II in…

A: Recombination is the mixing of the sequences present on the homologous chromosomes. The…

Q: In a trihybrid cross of a tall, purple-flowered pea plant with round seeds (TtPpRr) with a short,…

A: This is a trihybrid cross because three genes are involved in this case.

Q: What is the most likely order of the linked genes R, S, and T if the distance between R and S is 22…

A: The above scenario based on linkage and maping.

Q: In the following schematic drawing of a Holliday junction,one chromatid is shown in red, and the…

A: a) Cuts should occur at positions 2 and 4 to get recombinants. A Holliday model can be resolved in…

Q: In a series of two-point map crosses involving five genes locatedon chromosome II in Drosophila, the…

A: Recombination frequency measures the genetic linkage between a set of alleles/genes and is used to…

Q: What mathematical formula would you suggest for determining the probability of a completely…

A: The homozygous recessive individuals are those that carry two recessive alleles at a particular gene…

Q: In a cross between two varieties of corn, gl1gl1Ws3Ws3 (egg parent) * Gl1Gl1ws3ws3 (pollen parent),…

A: Fertilization is the process of fusion of male and female gametes that results in the formation of a…

Q: Consider three independently assorting autosomal genes in Drosophila: X, Y and Z. When crossed to a…

A: The genotype of male drosophila = XXyyZz The genotype of female drosophila = XxYYZz

Q: What is the most convenient way of understanding a testcross problem in genetics?

A: In genetics, test cross is the breeding of an individual with a phenotypically recessive individual,…

Q: Is it possible to cross two different pure-breeding yellow zucchini strains and obtain all green…

A: Genetics is a branch of the biology involved in the study of genes, genetic variation, and heredity…

Q: For this particular family, what is the recombination rate between the D17S74 marker and the breast…

A: Recombination is the process by which the DNA is broken and recombined to form a new combination of…

Q: The wild-type (normal) fruit fly, Drosophila melanogaster, has straight wings and long bristles.…

A: Drosophila melanogaster is a fruit fly, it has a short structure, and thus, they are easy to handle.…

Q: Consider the genetic map below. (a) In a total of 1000 observed progeny, how many would be expected…

A: Given: total of 1000 observed progeny. Genetic map: A-----10cM----B--2.5cM--C Percent recombination…

Q: If the G locus were 50 or more map units from the centromere, what types and proportions of gametes…

A: Introduction Recombination:- It is a process by which pieces of DNA are broken and recombined to…

Q: What is the genotype of the F1 generation of the corn monohybrid cross described above? What is the…

A: When we cross pure purple kernel (RR) with pure yellow kernels (rr),    Parents genotypes      RR…

Q: You design Drosophila crosses to provide recombinationdata for gene a, which is located on the…

A: The drosophila is commonly called fruit fly, and it is commonly used for the study of genetics. The…

Q: You self-fertilize an F1 plant to produce the F2 generation.  Based on Mendelian principles of…

A: GREGOR MENDEL was a mathematician, biologist and meteorologist who conducted several experiment on…

Q: mutant females with wild-type males, or (ii) mutant males with wild-type females, or (iii) both…

A: A test cross is a cross between a homozygous recessive individual with a heterozygous individual.…

Q: This pedigree traces the inheritance of a rare disease in humans. a. Based on this pedigree, is the…

A: Answer is given below.

Q: If d and f = 2%, what is the correct arrangement of the genes d,e,f?

A:

Q: When true-breeding mice with brown fur and short tails (BBtt)were crossed to true-breeding mice with…

A: Genes are the units of heredity that are transmitted through generations. Genes contain the genetic…

Q: If two loci are 10 cM apart, what proportion of the cells in prophase of the first meiotic division…

A: * Given that two loci are 10cM apart (centimorgan) *Have to calculate the proportion of cells in…

Q: What is the predicted phenotypic outcome of a dihybrid cross and a dihybrid text cross? Why?

A: Let a round yellow pea be dominant and wrinkled green pea be recessive.

Q: If genes a and b are 30 m.u. apart, what percentage of the gametes produced by an AaBb individual…

A: In a allele the distance between two gene a and b is 30 map unit. That's mean the recombinant…

Q: In barley, a self-fertilizing species that can be crossed fertilized, two true-breeding strains with…

A: Option(B) is correct answer. Reciprocal cross is done where different parental types are used both…

Q: In a diploid organism of 2n=10, assume that you can label all the centromeres derived from its…

A: Meiosis creates gametes such as egg and sperm cells. During meiosis, the genetic information is…

Q: mapping three linked genes, the heterozygous AaBbCc was crossed to aabbcc individual the following…

A: The genes that are in close proximity will have a very low possibility of occurrence of…

Q: An individual heterozygous for four genes, A/a • B/b •C/c • D/d, is testcrossed with a/a • b/b • c/c…

A: A cross is the mating of two people that results in the fusing of gametes and the creation of…

Q: What is the most likely order of the linked genes R, S, and T if the distance between R and S is 22…

A: A gene is the basic physical and the functional unit of heredity. Genes are made up of the DNA. Some…

Q: If a two-point testcross of heterozygous females and homozygous-recessive males in Drosophila…

A: Testcross is defined as the cross between an individual (with unknown genotype) with another…

Q: In the case of carnation flower, what do you think a flower carnation would look like if the red and…

A: Incomplete dominance: In this type of inheritance, a third phenotype is produced and this will be a…

Q: The pedigree below shows that inheritance of a disease that is caused by a late onset, dominant,…

A: * Given that  pedigree shows that inheritance of a disease caused by late onset and it is  dominant…

Q: Females of wild-type Strain A and males of mutant Strain B, as well as females of mutant Strain B…

A: Reciprocal crosses are done by taking both genotype (once a male and once a female).

Q: autotetraploid Chinese primrose (Primula sinensis), the gene controlling stigma color is very near…

A: Autotetraploid are organisms that contain four sets of chromosomes that are derived from the same…

Q: At the molecular level (with regard to loss-of-function alleles), explain why the ttvv homozygote…

A: In heterozygotes, the single wild-type dominant allele may be able to provide enough normal gene…

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

A: Introduction: Flower color in sweet pea is under the control of two genes B and D. These are…