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: QRt Ort 50 343 76 qRT grt QRt 357 78 QRT Total - 1000 a) Determine the allele arrangement and gene…

A: Introduction Recombination changes the proportion of individuals of different genotypes because…

Q: In Drosophila the genes A B D are linked.  You cross a strain that is homozygous for d with a strain…

A:

Q: Construct a chromosome map from the following charts showing crossover frequencies for linkage…

A: A genetic map is a chromosomal map that depicts the relative positions of genes and other…

Q: A series of crosses were performed between pure breeding lines of mice with different coat colours.…

A: Gene interaction is a type of interaction between two or more genes which results in a single…

Q: A corn plant known to be heterozygous at three loci is testcrossed. The progeny phenotypes and…

A: Understanding the arrangement of genes on chromosomes and their linkage relationships is crucial in…

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: Branch length in the plant Karlheinz rummeniggeus is under polygenic control. The phenotype exhibits…

A: The polygenic trait or characteristics is controlled by more than one genes. In this case multiple…

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

A: The aleurone grain is the protein body which is a specialized dry vacuole where storage proteins…

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

A: Parents- Parent 1= +gp=240 (the highest number)  Parent 2= m++=220 (complementary of parent 1)…

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: Gene Combination Recombination Frequency G/H 15.1% G/I 7.5% H/I 22.6% Which of the following gene…

A: Given,  Recombination frequency or % Recombination 15.1% or 15.1 map units /cM - - > In G/H gene…

Q: Two haploid strains of S. cerevisae (yeast) are crossed. One has the genotype ABC and the other abc.…

A: Introduction :- A cell with a single set of chromosomes is referred to as haploid. The number of…

Q: Cross Cross A Cross A Cross B Cross B Phenotype F1 generation F2 generation F1…

A: The objective of the question is to determine the genotypes of the flies in different crosses and…

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: Female Drosophila with cinnabar eye (cn) and vestigial wings (vg) were mates to males with roof…

A: According to our guideline we can answer only first three subparts of a question. So, upload the…

Q: A fly that is heterozygous at 3 different, independent, autosomal loci (AaBbCc) is crossed to an…

A: The genotype is defined as the genetic constitution or composition of an individual. Thus, it is the…

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: Homozygous wild-type male mice (AA BB CC) were crossed with triple mutant female mice (aa bb cc),…

A: If the geness are located on the same chromosome then they are called as linked genes. In this case…

Q: A cross between yeast strains ab x AB produces the following unordered tetrad a. Label each group of…

A: Tetrad analysis is a powerful tool for studying genetic linkage and recombination in yeast. By…

Q: In a study of several characters, it was found that when di-hybrid crosses were made, several genes…

A: A genetic map is a chromosome map that depicts the relative positions of genes and other significant…

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

A: Given: Total progeny = 1000 Recessive: gray (g) micro (m) plum (p) Dominant denoted by + or can be…

Q: The genetic map was based on crosses in Drosophila involving the three sex-linked genes a, b and c.…

A: A linkage map is a map based on the frequencies of recombination between markers during crossover of…

Q: Please asap

A: Gene mapping was discovered by Alfred H. Sturtevant. He discovered this in order to identify the…

Q: There are three genes located on the same chromosome: G, H, and I. The recombination frequencies…

A: A number that describes the proportion of recombinant offspring produced in a genetic cross between…

Q: F1 result Wild-type Mutant P: Wild type female x mutant male 0 258 P: wild type male x mutant female…

A: Chi square value is useful to find the statistical value in which the hypothesis is considered and…

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

A: There are five genes in Drosophila's chromosome II and the crosses yield offspring with different…

Q: Phenotype wild Black body Black body wild wild Black body Black body wild Brown Brown Brown…

A: Three point cross is one of the efficient way of mapping 3 genes at once  which allows the order of…

Q: P. D, and Q are three genes found on a single chromosome in greyhounds. The recombination…

A: The genetic map is defined as the arrangements of genes according to the recombination frequencies…

Q: Which crosses represent recombination in male gamete formation and which crosses represent…

A: Recombination frequency is used to measure the genetic linkage. It also used to create a genetic…

Q: |You are studying three traits in a goldfish variety; body colour (A or a), tail length (B or b) and…

A: Part B. A true breeding gold fish with long curly tail is crossed with a true breeding gold fish…

Q: An individual heterozygous for d e f (D/d E/e F/f) was crossed to a homozygous recessive individual…

A: DNA is present inside the nucleus of the cell. The genes are located on the DNA. The genes consist…

Q: In Drosophila (fruit flies), pink eyes (P), curled wings (C), a hairy body (H), and an ebony body…

A: option a is correct

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

A: If the genes are located on the same chromosome then they are classified as linked genes. In this…

Q: In Morgan’s three-factor crosses of Figure shown, he realized thatcrossing over was more frequent…

A: Three-point cross is the crossing over done between three different genes to determine the loci of…

Q: Consider an example of two autosomal recessive gene a and b where a heterozygote (AaBb) is…

A: You inherit two mutant genes from your parent if you have an autosomal recessive disease. Two…

Q: In corn, the following genes are linked on chromosome 3:  va - variable sterile v - virescent gl -…

A: We must determine the recombination frequency between the loci based on the phenotypic ratios of the…

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

A: Three-point cross: In genetics, the three-point cross is used to determine the distance between two…

Q: The result of a test cross of a yeast cell that is heterozygous for three genes are summarized in…

A: A gene is the structural and functional unit of heredity. A gene exists as two alternative forms…

Q: In a diploid plant species, an F1 with the genotype Gg Ll Tt is test-crossed to a pure-breeding…

A: The cross, which involves the inheritance of three genes, is called the trihybrid cross. According…

Q: From a Drosophila testcross, the number of each phenotype obtained was as follows: W+         m…

A: A test cross allows the determination of the zygosity of an individual with the dominant phenotype.…