In a diploid plant species, an F1 with the genotype Mm Rr Ss is test crossed to a pure breeding recessive plant with the genotype mm rr ss. The offspring genotypes are as follows: Genotype Number Mm Rr Ss 687 Mm Rr ss 5 Mm rr Ss 68 Mm rr ss 196 mm Rr Ss 185 mm Rr ss 72 mm rr Ss 8 mm rr ss 679 Total 1900 1. What is the gene order of these linked genes?

Q: A wild-type fruit fly (heterozygous for gray body color and wings) mated with a black fruit fly with…

A: Need to find the recombination frequency between the two genes.

Q: Convert the expected phenotypic ratio from Part A into the expected probability for each of the four…

A: Dominant traits Round fruit (R) Red fruit (F) Recessive traits oval fruit (r) Yellow fruit (f)…

Q: A trihybrid individual with the genotype QqRrTt is testcrossed with a qqrrtt individual. The…

A: A trihybrid cross is a cross between two individuals of the same species for the purpose of studying…

Q: A cross in Drosophila melanogaster involved the recessive X-linked genes for white eye (w), yellow…

A: The genotype expressed by most number of offspring is the parental genotype. Here, + y + and w + ct…

Q: In a cross between a 29cm plant and a 20cm plant what would be the genotypes giving the smallest…

A: Height in plants is a polygenic trait, in which one phenotype is influenced by more than one gene.…

Q: Cross C: Homozygote wild type flies (+/+) were crossed with white eye flies. for the F1 and F2…

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Q: A female of genotype a b c + + + produces 100 meiotic tetrads. Of these, 68 show no crossover…

A: A four-part structure that forms during the prophase of meiosis and consists of two homologous…

Q: A wild-type fruit fly (heterozygous for gray body color andnormal wings) is mated with a black fly…

A: Hi since there are multiple questions posted we will provide you with answers for the first question…

Q: Phenotypically wild-type F1 female Drosophila, whose mothers had light eyes (lt) and fathers had…

A: The distance between two points on a chromosome can be calculated by counting the number of…

Q: In Drosophila, the genes A, B, and C are linked and in the order given. The distances are A-B = 5…

A: Linked genes are genes that are located on the same chromosome. Unless they are separated by…

Q: In corn, purple kernels (P) are dominant over yellow kernels (p) and round kernels (R) are dominant…

A: The chi-square analysis is used in different experiment to compare the observed and expected data.…

Q: Tomato Plants In tomato plants, round fruit (R) is dominant to oval fruit (r). Pure breeding plants…

A: Given that, allele R is dominant over allele r where R represents the allele for round shape and r…

Q: Two pure-breeding parents produced a heterozygous female offspring (AaBb) that was then testcrossed…

A: to determine the genetic linkage of genes, we can use a test cross which can ascertain the presence…

Q: In tomatoes, serrated leaves (C) are dominant to lobed leaves and purple stems (P) are dominant to…

A: Chi square test is used to determine the differences between observed and expected data.

Q: n corn, purple kernels (P) are dominant over yellow kernels (p) and round kernels (R) are dominant…

A: Please follow step 2 for detailed explanation.

Q: In tomatoes, tall plant (D) is dominant over dwarf plant (d) and smooth fruit (H) is dominant over…

A: In tomatoes, the tall plant is represented by D that is dominant over the dwarf plant d.  Smooth…

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: Nicotiana glutinosa (2 n = 24) and N. tabacum (2 n = 48) are two closely related plants that can be…

A: Nicotiana is a herbaceous plant belong to the family of Solanaceae. Nicotiana sp is commonly called…

Q: In corn, the genes v (virescent seedlings), pr (red aleurone), and bm (brown midrib) are all on…

A: The diagrammatic graphical representation of relative distance between linked genes of a chromosome…

Q: Two genes on chromosome 7 of corn are glossy (g) for leaf texture and ramosa (r), which determines…

A: The formula of calculating recombination frequency is : Recombinant Frequency = number of…

Q: In tomato plants, round fruit (R) is dominant to oval fruit (r). Pure breeding plants with red and…

A: The recombination frequency is measured for the calculation of the distance between the two genes…

Q: three recessive genes a, b, and c in the model plant Arabidopsis are found to be linked on…

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Q: In tomato, the following genes are located on chromosome 2: +   tall plant…

A: Introduction Crossing Over Is Exchange Of Genetic Information. It Occurs During Meiosis When Genetic…

Q: Tomato Plants In tomato plants, round fruit (R) is dominant to oval fruit (r). Pure breeding plants…

A: 1. Converted the expected phenotypic ratio from Part A into the expected probability for each of the…

Q: An ear of corn has a total of 381 grains, including 216 Purple & Smooth, 79 Purple & Shrunken, 65…

A: Answer: DIHYBRID CROSS = It is a cross between two traits of a same species reproducing progeny at…

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

A: Genes forms the hereditary units of life. The genes can have alternative forms called as alleles.…

Q: In corn the genes for tassel length (alleles T and t) and rust resistance (alleles R and r) are…

A: Progeny receives the character from parents in the form of egg and sperm. The transfer of character…

Q: Fruit flies can have straight wings (S) or curly wings (s), and they can have be female XX or male…

A: S denoting for straight wings is a Dominant or wild type trait. And s denotes recessive trait for…

Q: In corn, purple kernels (P) are dominant over yellow kernels (p) and starchy kernels (Su) are…

A: A chi-squared test, also written as χ2 test, is a statistical hypothesis test that is valid to…

Q: A hypothetical brown frog with black spots (genotype BbSs) is test crossed with a green, unspotted…

A: A test cross is done to identify the genotype of an organism. In this cross, the organism is crossed…

Q: The first step of the dihybrid cross is to mate the P generation: A PUREBRED (homozygous) plant…

A: The Punnett square is a diagram that is used to predict an outcome of a particular o breeding…

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

A: Autotetraploids are organisms that carry four copies of the same genome for example a homozygous…

Q: FRR) were crossed to pure breeding plants with yellow and oval fruit (ffrr). The red and round F1…

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Q: A diploid plant has red flowers, heavy seeds and large leaves. The plant is a heterozygous for the…

A: If genes are located on the same chromosome then they tends to stay together and always move…

Q: 近 In 1911, Thomas Hunt Morgan collected the following crossover gene frequencies while studying…

A: The genes are the hereditary unit of an organism. The genes are present in the chromosome that is…

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

A: Introduction An individual expressing a dominant phenotype could have two copies of the dominant…

Q: n corn, a colored aleurone is due to the presence of an R allele; r/r is colorless. Another gene…

A: Barbara McClintock’s report that bits of DNA could jump around and integrate themselves into new…

Q: Fine spines (s), smooth fruit (tu), and uniform fruit color (u) are three recessive traits in…

A: Order of genes The gene orders are defined as the permutation of the arrangement of genome. The…

Q: F1 hybrid is obtained from the following cross: Parent 1: AB/AB; d/d; E/E Parent 2: ab/ab; D/D; e/e…

A: A  test cross is an experimental cross of an individual organism of dominant phenotype but unknown…

Q: Tomato Plants In tomato plants, round fruit (R) is dominant to oval fruit (r). Pure breeding plants…

A: In tomato plants, the round fruit shape is dominant over the oval fruit shape. The allele for round…

Q: In corn the genes for tassel length (alleles T and t) and rust resistance (alleles R and r) are…

A: Genes are located on chromosomes in linear order.

Q: Two pure-breeding (homozygous) lines of flies were crossed as follows: P1 phenotype stubby clear…

A: In flies , there are two types of trait :-  A ) Trait for wing size  B ) Trait for wing colour  In…

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

A: Genes form the hereditary units of life. Genes can have alternative forms called alleles. When two…

Q: Assume that you are able to examine a total of 100 separate meiotic events in an animal species. You…

A: The genetic map gives the map distance. Measured in cM. It separates any two or more than two loci.…

Q: Kernel color in wheat is controlled by 2 pairs of genes (AABB). Determine the color of the offspring…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

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: n tomato plants, tall vine (D) is dominant over dwarf vine (d) and round fruit (O) is dominant over…

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

Q: In tomato plants, round fruit (R) is dominant to oval fruit (r). Pure breeding plants with red and…

A: 1. Punnett square is completeed to determine the expected test cross progeny on the basis of…

Q: Female drosophila heterozygous for ebony (e+/e), scarlet (st+/st) and spineless (ss+/ss) were test…

A: Female drosophila are heterozygous for ebony, scarlet, and spineless were testcross and hence…

Q: A three-point cross was conducted, 8500 progeny were evaluated, and the genetic map was determined…

A: The genes that are located on the same chromosome will shows reduce amount of crossing over. In case…