Here are the results obtained by Bridges and Morgan for crossing over analysis between black, curved, purple, speck, star and vestigial genes, all on Il chromosome of drosophila. - Draw the genetic map of chromosome II.

Q: One of the X chromosomes in a particular Drosophila female had a normal order of genes but carried…

A: Crossing over: It occurs during prophase I and involves the exchange of genetic material between…

Q: Height in gryphons is determined by a single locus. You cross a two 9' tall gryphons and get 1/4…

A: Unlike Mendel's pea plant,  gryphons do not show two clear cut phenotypes of height. They come in…

Q: Inversions are known to affect crossing-over. The following homologs have the indicated order (the…

A: Insertion, deletion, substitution, and inversion are the four types of mutations. Insertion is a…

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

A:

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 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: 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…

Q: Shown (the picture) is a partial gene map for Drosophila melanogaster. In Drosophila, vermillion…

A: Gregor Mendel was an Austrian scientist, mathematician, and biologist who proposed laws of…

Q: A Drosophila embryo dies during early embryogenesis due to arecessive allele of a maternal effect…

A: Phenotypes and genotypes represents the traits that gets passed on from the parents to the progeny.…

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

A: Chromosomes are long, thin, thread-like structures made up of DNA and protein that carry the genetic…

Q: One of the X chromosomes in a particular Drosophila female had a normal order of genes but carried…

A: Inversion usually occurs in the prophase 1 in which two break can occur in the area and can thus…

Q: With regard to the segregation of centromeres, why is adjacent-2segregation less frequent than…

A: A specialized DNA sequence of a chromosome which links the two sister chromatids is known as a…

Q: der(X) der(22) 22 der(X) 22 der(X) 22 First row is mother, second row is first daughter, third row…

A: The terminology "phenotype" describes an organism's visible physical features, such as its…

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: Explore chromosomal defects among humans in Ensembl at…

A: Defects in the structure or quantity of chromosomes in a person's cells are referred to as…

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

A: The abrupt changes in DNA sequences is called as mutation it may be of many types for example point…

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

A:

Q: What gametes, and in what frequencies, are produced by a female Drosophila of genotype A B / a b…

A: Drosophila, sometimes known as fruit flies, has been used as a model organism in genetic study for…

Q: The birth of this child prompted the Dentons' physician to order a chromosome study of parents and…

A: In order to fully understand the question being asked, we must recall the following information: (1)…

Q: THEME 3: In Drosophila recessive mutants called a, b, c, and d all have the same phenotype; namely,…

A: Wild type individuals result when the Plus sign is indicated and this Plus sign occurs when the two…

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: 4) You design Drosophila crosses to provide recombination data for gene (A), which is located…

A: The location of genes on a particular chromosome can be determined on the basis of recombination…

Q: 7. please answer this

A: Homozygous and heterozygous are terms used to describe the genetic makeup or genotype of an…

Q: A reciprocal translocation between chromosome 1 and 2 in Drosophila resulted in AB//CPQR and…

A: After reciprocal translocation, Chromosome 1 - AB//CPQR Chromosome 2 - MN//ODEF

Q: the white-eyed w+ gene from one end of the X chromosome locus (w) moves the to a location nearer to…

A: This is an example of epigenetic modification. It alters the gene expression pattern.

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: Female flies with white eyes and miniature wings (both X-linkedrecessive traits) were crossed to…

A: Chromosomal composition of these rare females will be – XXY. Both the X chromosomes must be coming…

Q: Chromosome Chromosome A has genes ABCD-EFGHIJ B has genes 1234-56789.

A: The Correct Option is B Unbalanced nonreciprocal translocation

Q: what is the approximate map distance between the two genes?

A: Linkage is a phenomenon which determines how genes are placed in close proximity to each other.   It…

Q: The normal sequence of markers on a certain Drosophila chromosome is ABCDE*FGHIJK, where the…

A: please find your answer in step2:

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 Drosophila subobscura, the presence of a recessive gene called grandchildless (gs) causes the…

A: The grandchildless is an autosomal recessive condition (gs/gs). The males of the Drosophila…

Q: Drosophila geneticists made the first genetic maps. They claimed that the gene loci that they mapped…

A: Genetic map is the one that gives the probable location of genes on a chromosome. A genetic map is…

Q: Approximately how many copies of chromosome 2 are found in a polytene chromosome in Drosophila?

A: Polytene chromosomes are special type of chromosomes, which have thousands of DNA strands. They…

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: 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: Drosophila can have a yellow-brown body (wild-type [+]) or a black body [b] as a result of a…

A: Only wild-type Drosophila for both features, [+, +], were present in the F1 progeny of the initial…