The following is a linkage map of chromosome 5 for three genes in tomato: Lf (normal) vs. lf (leafy) J (jointed) vs. j (jointless) W (non-wilty) vs. w (wilty) The cross between the triple heterozygote (Lf J W/ lf j w) and a triple homozygous recessive produced 500 progeny. Assume that there is no interference in the Lf-W region. Give the expected number of individuals for each of the following progeny types and show complete solutions. a. with crossover in the Lf-J and J-W regions b. with crossover in the Lf-J region c. with crossover in the J-W region d. without crossover in the Lf-W regio

Q: In Drosophila, a fully heterozygous female with the X-linked recessive genes a, b, and c (not…

A: A fully heterozygous female with x linked gene a, b, c was mated with male a, b, c. Parental cross -…

Q: In D. melanogaster, reduced bristles (rd), cinnabar eyes (cn), and vestigial wings (vg) are…

A: Introduction: Drosophila melanogaster is a species of fly in the family Drosophilidae. The species…

Q: Two unlinked genes, A and B, encode very similar enzymes involved in the production of purple flower…

A: In the given context, there are two independent genes, denoted as A and B, which are responsible for…

Q: The alleles his-5 and lys-1, found in yeast, result in cells that require histidine and lysine for…

A: "Genetics" is the study of the functioning and main codes of variation and heredity. Inheritance is…

Q: Imagine Drosophila genes C, D, and E are autosomal genes located close to each other on the same…

A: If many genes are located on the same chromosome then the crossing over between them will be reduced…

Q: This pedigree consist of cystic fibrosis that is an inherited disease caused by f a recessive…

A: Cystic fibrosis is a genetic disorder in which the gene that produces the cystic fibrosis…

Q: A (Only zygotes with balanced genomes will survive to adulthood. What proportion of F1 zygotes have…

A: A unique organism with an intriguing genetic configuration evolved from a population of Drosophila…

Q: A researcher is working with a flower species in which red flower color (R) is dominant to white…

A: In genetics , cross are done between selected species having a particular allele combination to…

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: The phenotype of vestigial (short) wings (vg) in Drosophila melanogaster is caused by a recessive…

A: It is given that the vestigial wing and hairy body are caused by recessive wings. These are encoded…

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

A: Blue colored flowers is because of the A alleles and slate colored flowers result from a alleles; G…

Q: In an autotetraploid organism, the gene controlling coat color is very near the centromere of the…

A: Autotetraploid Organisms --- Autotetraploidy -- It is defined as individual or strain whose…

Q: y ec +y ec w Determine the order in which th Occur on the chromosome and pr 7.22 A cross involving…

A:

Q: A phenotypically abnormal individual has a phenotypically normalfather with an inversion on one copy…

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Q: Genes A and B are located 10 cM from each other on a chromosome. Gene C is located 25 cM from gene A…

A: As per the given values,The distance between A and B = 0.10The distance between B and C = 0.15The…

Q: In Drosophila the genes forked bristles (f and f+) and vermilion eyes (v and v+) are ~24 m.u.  apart…

A: During meiosis, genes between homologous chromosomes are transferred in genetic recombination, which…

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 tomatoes, regular leaves (L) are multilobed and serrated and potato leaves (l) are broad, smooth,…

A: We are authorized to answer only one question at a time, since you have not mentioned which question…

Q: PURPLE VESTIGIAL DIHYBRID CROSS In the parental generation, you mate a pure-breeding wild-type…

A: Introduction  A dihybrid cross is made up of two individuals who have two features that are…

Q: Deduce the phenotypic proportions in the progeny of thefollowing crosses of autotetraploids in which…

A: Phenotypic proportion shows the ratio of offspring's combination genes and these are similar in the…

Q: In Drosophila, a cross was made between a yellowbodied male with vestigial (not fully…

A: Genes can be defined as an important unit of inheritance. A pair of genes is called allele. These…

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

A: An individual expressing a dominant phenotype could have two copies of the dominant allele or one…

Q: IN DROSOPHILA, AN X-LINKED RECESSIVE MUTATION, Xm CAUSES MINIATURE WINGS. LIST THE F₂ PHENOTYPIC…

A: The cross involved here is X linked which means that mutation in one of the X chromosomes  in…

Q: In tomatoes, regular leaves (L) are multilobed and serrated and potato leaves (l) are broad, smooth,…

A: Mendel's law of independent assortment states that the alleles of two different genes get sorted…

Q: Punnett square to determine the expected F2 progeny

A: The mendel's law of independent assortment states that  the alleles for one gene segregate…

Q: 34 m,u. Se a22mu ->CUE iamu e In Dropsophila, sepia eyes (se), curled wings (cu), and ebony body (e)…

A: Drosophila  is a species of flies, belonging to the Drosophilidae family, whose members are often…

Q: Forked bristles, miniature wings, and sable bodies are all homozygous recessive traits whose genes…

A: In genetics when two to three genes are present I the same chromosomes, it is termed as linked…

Q: The phenotype of crooked wings (cw) in Drosophila melanogaster is caused by a recessive mutant gene…

A: The expected phenotypes as per the dihybrid phenotype ratio and their proportionate numbers out of a…

Q: Waxy endosperm (wx), virescent seedling (v), and shrunken endosperm (sh) are all recessive mutants…

A: Introduction: Endosperm is a tissue present inside the seeds of most of the angiosperms which…

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

A: For AAaa gametes in F2 generation would be Aa and Aa . Genotypic ratio - 1:2:1 phenotypic ratio- 3:1…

Q: Two autosomal genes controlling beak shape in finches are 18 cM apart on the same chromosome. Pointy…

A: In this instance, we are researching how two autosomal genes influence the beak morphology of…

Q: A cross is made in tomatoes between a female plant thatis trisomic for chromosome 6 and a normal…

A: In genetics, a cross is the result of mating two parents with different genes, resulting in…

Q: Three fruit shapes are recognized in the summer squash (Cucurbita pepo): disk-shaped, elongated, and…

A: Genes are the hereditary units of life. The inheritance pattern was introduced by Gregor Mendel,…

Q: In tomatoes, regular leaves (L) are multilobed and serrated and potato leaves (l) are broad, smooth,…

A: Law of independent assortment is Mendel's dihybrid cross . It states that During the time of…

Q: In corn, pigmented aleurone (R) is dominant to colorless aleurone (r), and green plant color (G) is…

A: Given  Green (G) is dominant over yellow (g)  Pigment (R) is dominant colourless (r)  Plant one…

Q: his area of the chromosome iIS 5%.

A: Introduction  Linkage disequilibrium (LD) is the nonrandom relationship of alleles of various loci.…

Q: The genes F and G are on the same chromosome in a eukaryote. Using a microscope, you can see that a…

A: F and G are on the same chromosome. The cross is between FG//fg × fg/fg. The gametes produced will…

Q: In Drosophila, an X-linked recessive mutation, Xm causes miniature wings. List the F2 phenotypic…

A: Inheritance patterns are broadly of two types :- autosomal and sex-linked. They are further of two…

Q: In D. melanogaster, reduced bristles (rd), cinnabar eyes (cn), and vestigial wings (vg) are…

A: The tendency for DNA sequences that are close to one another on a chromosome to be passed down…

Q: The order of the genes on a plant chromosome is A, B, C, where A and B are located 10 cM apart and B…

A: Genes A and B are located 10 cM apart and B and C are located 3cM apart. Hence, S.C.O for A and B =…

Q: In cucumbers, heart-shaped leaves (hl) are recessive to normal leaves (Hl) and having numerous fruit…

A: “Dominant and recessive” traits are the two different forms of the gene. The trait which is…

Q: In cucumbers: warty (T) > smooth (t) dull (D) > glossy (d) warty, dull x smooth, glossy P: TTDD ttdd…

A: Recombination frequency {denoted as theta (θ)}, which is the frequency with which a single…

Inheritance and Mendelian Genetics

Inheritance means the passing of traits to offspring from parents. These traits could be passed either through asexual reproduction or sexual reproduction. The offspring receives the genetic material from the parents. Mendelian inheritance is a certain biological inheritance that follows the rules and principles laid down by Gregor Mendel in 1865. The initial hypothesis was considered wrong, but other inheritance theories modified the concept of inheritance and thus genetics.