In Drosophila the genes A B D are linked.  You cross a strain that is homozygous for d with a strain that is homozygous for ab.   Below are the phenotypes and progeny of a test cross.  Give the correct order of the genes in the chromosome and determine the map distances between genes. Phenotype       Number                                      ABd                  389      abD                  413      ABD                   60     abd                    68     aBd                    29     AbD                    34     Abd                      3     aBD                      4

Q: An individual  heterozygous for a reciprocal translocation possesses the following chromosomes:  A B…

A: Translocation is caused by the separation of a chromosome segment and its union with a…

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A: Gregor Mendel discovered the fundamental doctrines of inheritance through his study of pea plants.…

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Q: In Drosophila, a heterozygous female for the X-linkedrecessive traits a, b, and c was crossed to a…

A: Genetics is a branch of biology that deals with genes, heredity, and variation. Heredity purely…

Q: parent Lotye ature ature Female parent phenotype long long long miniature long mm X X Male offspring…

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Q: In a species of rat, the map unit distance between genes A, B, C and D were as follows: (in the…

A: There are 4 genes : A , B , C , D in the species of rat. Basically ,  Map unit or m.u or cM is the…

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Q: Three recessive genes are linked on the third chromosome: g (gray), m (micro), and p (plum). The…

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Q: Identify the components of the expression 2n=46. the number of chromosomes in one full parental set…

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Q: Genes Q, R, and S are on the same chromosome. The crossoverfrequency between S and Q is 5%, the…

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Q: Loci                                 Recombination Frequency (%) L and Q…

A: the crossing over that takes place between two genes during meiosis is referred to as recombination…

Q: Imagine a germ cell for an animal that is 2n=4. Gene A and B are found on chromosome one, and the…

A: Meiosis is the cell division process that is responsible for the production of four haploid (n)…

Q: 4. Suppose that a parent Drosophila is e ca* e ca The gamete frequency is as follows: e'ca e'ca e ca…

A: The gamete which contains a new combination of alleles as compared to its parent is known as a…

Q: Considering the following chromosome which is represented as a series of genes on each arm separated…

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Q: A Drosophila strain with two mutated phenotypes was crossed with a wild-type Drosophila strain. The…

A: Law of independent assortment state that two different allele assorts independent from one other.…

Q: In Drosophila, a female fly is heterozygous for three mutations, Bar eyes (B), miniature wings (m),…

A: In terms of genetics and genomics, linkage describes how closely genes or other DNA sequences are…

Q: A mutation of Drosophila has a wing condition known as beaded. When a beaded fly was crossed with a…

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Q: Draw a Punnett square for the dihybrid cross. There are two known alleles of gene occupying a…

A: Dihybrid cross involves two genes in a cross. That's why the two traits are involved in this cross.

Q: Consider three genes on the same chromosome, Gene A, Gene B and Gene C. You perform three factor…

A: As 3 genes are located on the same chromosome then the crossing over event is very rare.

Q: In Drosophila, the recessive mutations hairy (h) causes a hairy body and curled (cu) causes curled…

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Q: The gene that controls the Duffy blood type is D (affected D is dominant to d) and the gene that…

A: D allele encodes duffy blood type and it is dominant over d allele. dd encodes wild type.  L allele…

Q: 13.2 13.1- 12. 11 11- 12 22 23 24 HIDGE b с d f g bo h

A:

Q: The first task in mapping genes in three-point testcross is to determine their order on the…

A: A three-point testcross refers to analyzing the inheritance pattern of three alleles by test…

Q: In which parent and during which meiotic division did non-disjunction occur? If there is more than…

A:

Q: Figure 1. Showing a homologous pair of chromosomes that carry two linked genes. Here we can see that…

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Q: SET 2: In corn, the following allelic pairs have been identified in chromosome 3: +/b plant color…

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Q: In Drosophila, a cross was made between females and wild-type males. The female parents expressed…

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Q: Below are the results from a 3 gene testcross between an XxYyZz plant and an xxyyzz plant: Testcross…

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Q: Here are the results obtained by Bridges and Morgan for crossing over analysis between black,…

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Q: You are given a Drosophila female that looks wild-type but is heterozygous for mutations in tan body…

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Q: In Drosophila, three autosomal genes have the following map:20 m.u. 10 m.u.a b ca. Provide the data,…

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Q: Mutation

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Q: Recombination frequencies between four genetically-linked loci in corn are shown in the following…

A: Recombination frequency is a measure of genetic linkage and is used in the creation of a genetic…

Q: Identify the type of chromosomal aberration in each number above. Please refer to the choices below.…

A: The changes in the chromosome number that includes losses and gain includes the chromosomal…

Q: Given two strains of autotetraploid plants  AAaa – in this plant the gene is close to the…

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Q: QUESTION 11 The location of five deletions have been mapped to a Drosophila chromosome, as shown in…

A: To determine the order of the genes (a-e) on the chromosome, we can analyze the complementation…