Drosophila females heterozygous for three recessive mutations, a, b, and c , were crossed to males homozygous for all three mutations. The cross yielded the following results:  in the image  Q. Construct a linkage map showing the correct order of these genes and estimate the distances between them.

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: n a certain plant, the dominant form of gene P codes for purple flowers while the recessive form…

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

Q: In Drosophila,, the curled mutation (cu, chromosome 3, position 50.0) results in wings that curl up,…

A: Alleles are the alternative forms of a gene that are located on the same locus of a homologous…

Q: In corn, male sterility is controlled by maternal cytoplasmic elements. This phenotype renders the…

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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: What is the type of inheritance? What is known of the genotype of the male in the above cross? What…

A: Introduction  Genetics is frequently used to refer to heredity, which is the passing on of genetic…

Q: When a female melanotic fly is crossed with a normal male, the progeny are produced: 123 normal…

A: In the question, it is given that the in the F1 generation, the melanotic progeny is only expressed…

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: Cinnabar eyes (cn) and reduced bristles (rd) are linked autosomal recesive characters in Drosophila…

A: According to the question, The given cross is, cn+cn+rd+rd+ (wild type female) X   cncnrdrd (reduced…

Q: In Drosophila, the wildtype eye color is black. In the laboratory, you screened for mutants than…

A: Based on the information provided, the most likely conclusion is:E. The two mutations complemented,…

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: 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: Male Drosophila from a true-breeding wild-type stock were irradiated with X-rays and then mated with…

A: J. Muller first showed in his experiment that exposure to certain dose of X-rays higher than the…

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

A: In Drosophila , there are three types of trait :-  A ) Trait for wing  B ) Trait for body colour  C…

Q: In Drosophila, a female with three recessive traits, miniature wings, (m), ebony body (e) and rough…

A: This question is about a genetic problem involving the inheritance of traits in Drosophila flies.…

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

A: Gene mapping is the way in which a genetic map is designed that will use recombination frequency…

Q: Consider two maize plants:a. Genotype C/cm ; Ac/Ac+, where cm is an unstableallele caused by a Ds…

A: A gene is the essential physical and functional unit of heredity. They are comprised of DNA…

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: Wild-type mice have brown fur and short tails. Loss of function of a particular gene produces white…

A: The recombination frequency is calculated as the number of recombinant progeny divided by the total…

Q: The wild-type (normal) fruit fly, Drosophila melanogaster, has straight wings and long bristles.…

A: Introduction Gene is known as hereditary factor which controls all the characters in living organism…

Q: In Drosophila, two genes w and s are X-linked and are 25 map units apal. heterozygous female fly…

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Q: A cross was made between a Red and Long flowered (RRLL) plant and a blue and dwarf flowered (rrll)…

A: Answer: The cross between RRLL (red and long flower) plant and rrll (blue and dwarf plant) could…

Q: Miniature wings in Drosophila result from an X-linked allele (w) that is recessive to the allele for…

A: The allele for miniature wings is represented with w And the allele for long wings with + The allele…