Write the genotype(s) of the flies in each generation. Use a low dash (e.g. A_ B_) to indicate genotypes that could be either homozygous or heterozygous) a) parental strain A b) parental strain B c) wild type progeny (F1) d) wild type F2 e) bright-eyed F2

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: A geneticist is using a three-point testeross to map three linked Drosophila recessive mutations…

A: Gene mapping is a process through which scientists can evaluate the presence and position of genes…

Q: Please help a bit confused

A: STR is defined as the Short tandem repeats, also known as microsatellites or simple sequence…

Q: A geneticist is using a three-point testcross to map three linked Drosophila recessive mutations…

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

Q: In Drosophila, the genes for body coloration and eye size are on different chromosomes.…

A: A gene is the basic structural and functional unit of life and is composed of DNA(deoxyribonucleic…

Q: Another cross in Drosophila involved the recessive, X-linked genes yellow (y), white (w) and cut…

A: Phenotype Male offspring + ct    = 9 + w + = 6 y w ct = 90 + + +  = 95 + + ct = 424 y w +   = 376 y…

Q: You have a Drosophila line that is homozygous for autosomal recessive alleles a, b, and c, linked…

A: The Recombinant Frequency tells us about the percentage of or the proportion of recombinants present…

Q: cular country in sub-Saharan Africa, a medical study revealed that 0.075% of the country's…

A: Given; The study done in sub Saharan country.0.075% of the country's population are suffering from…

Q: Eye color in Drosophila is determined by a gene is on the X chromosome, with the red-eye allele…

A: Each gene possesses two forms of alleles. These forms include a dominant allele and a recessive…

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: A female Drosophila fly is heterozygous for three recessive pigmentation mutations called pk, bk,…

A: Gene expression is a process in which the genetic instructions of genes are utilized to manage…

Q: A cross between a red-eyed  fruit-fly and a white-eyed  fruit-fly produced an F1with all bar-eyed…

A: Sexual dimorphism is seen in most animals and many plants; in other words, a person may be either…

Q: In Drosophila, Dichaete (D) is a mutation on chromosome III with a dominant effect on wing shape. It…

A: Interlocus distance refers to the distance between two genes on a chromosome. In order to determine…

Q: Another cross in Drosophila involved the recessive, X-linked genes yellow (y), white (w) and cut…

A: Drosophila is an example of X-linked traits. In this, the eye color gene is located on the X…

Q: Genes that cause Prader-Willi syndrome and Angelman syndrome are closely linked along chromosome 15.…

A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…

Q: What are the modes of inheritance of singed and purple? Explain your reasoning.

A: Drosophila melanogaster is a fly species that belong to order Diptera. This is also known as fruit…

Q: It is assumed that in Drosophila the following genotypes produce phenotypes. َA- B- = Red color A-…

A: Genetics may be a discipline of biology concerned with the study of genes, genetic diversity, and…

Q: In Drosophila, an autosomal gene determines the shape of the hair, with B giving straight and b…

A: Drosophila melanogaster is also known as fruit flies

Q: In Drosophila, the allele for red eyes (p*) is wild-type and the allele for purple eyes (p") is…

A: Mendel's principle of independent assortment states that a dihybrid cross with unlinked markers…

Q: A geneticist is using a three-point testcross to map three linked Drosophila recessive mutations…

A: Testcross progeny phenotype Number Crossover Curved 281 Parental Anomalous, Buckled 279…

Q: The wingless fruit fly phenotype (unable to grow wings) is recessive to normal wing growth. A…

A: The wingless male fruit fly is crossed with a wingless female fruit fly and the progeny produced by…

Q: cross between a wild-type fruit fly strain and various true-breeding mutant strains (all at a single…

A: Hi dear, here's your answer what you want.can you please give me a like for this answer. Hypomorph…

Q: A recessive maternal effect mutant in zebrafish, called ichabod, results in embryos lacking heads…

A: Maternal effect in zebrafish is a situation where the phenotype of an organism is determined not…

Q: eye color is determined by a recessive allele, v, of an X-linked gene. The wildtype color is…

A: Eye color in Drosophila is an example of a X-linked trait: In Drosophila, the gene for eye color is…

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, the allele for brown eyes (b) is recessive, while the red eye allele (B) is dominant.…

A: Dominant traits Red eye - B Normal body - E Recessive traits brown eye - b ebony body - e The…

Q: In Drosophila, Dichaete (D) is a mutation on chromosome III with a dominant effect on wing shape. It…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

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

A: Drosophila melanogaster is a fruit fly, it has a short structure, and thus, they are easy to handle.…

Q: In Drosophila, males from a true-breeding stock withraspberry-colored eyes were mated to females…

A: Recombination frequency (RF) is the rate of occurrence of recombination between a pair of linked…

Q: Suppose a geneticist uses a three-point testcross to map three linked Drosophila recessive mutations…

A: The Answer is -  f b z

Q: A recessive maternal effect mutant in zebrafish, called ichabod, results in embryos lacking heads…

A: The correct answer is option C.

Q: In a particular country in sub-Saharan Africa, a medical study revealed that 0.075% of the country's…

A: Hardy Weinberg equilibrium states that the relative frequencies of various kinds of genes in a large…

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

A: To determine : a. Why are there no male offspring with the allele combinations y v f+, v+ v+ f, y v+…

Q: An STR on chromosome 9 is immediately adjacent to a gene involved in a dominant blood disorder (only…

A: Short Tandem repeats (STR): This are short repeated DNA sequences in a human body. This accounts for…

Q: A female Drosophila with the mutant phenotype 'notched wings' was mated to a wild type male.…

A: Drosophila melanogaster is a fly species that belong to order Diptera. This is also known as fruit…

Q: Six pure-breeding strains for eye color mutations in Drosophila are developed and crossed. Red is…

A: The "mutation" alters allele frequencies by constantly introducing new alleles, which can be…

Q: Two different strains of Drosophila melanogaster are mated in reciprocal crosses. When strain A…

A: Transposable elements are DNA sequences that are able to change their position in a genome sequence.…

Q: Drosophila, yellow body color is due to an X-linked gene that is recessive to the gene for gray body…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: Vermillion eye color in Drosophila sp. is a sex-linked recessive trait. What  phenotype would be…

A: Considering XvXV as  Vermilion eye coloured female the crossing is given as follows. The phenotype…

Q: In the fruit fly, dumpy wings (d) and purple eyes (p) are encoded by mutant alleles that are…

A: The two genes are involved in this case. The wings and eye encoding genes are involved here. The…

Q: Three recessive mutations in Drosophila melanogaster, roughoid (ru, small rough eyes), javelin (jv,…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: In the lab, you discover two yeast haploid mutants that cannot produce arginine. You cross them…

A: The mutation causes a change in the DNA and it alters the type of protein that they codes and the…

Q: In Drosophila melanogaster, vestigial (short) wings (vg) are caused by a recessive mutant gene that…

A: Hello, thank you for your question. Hope this answer helps you.

Q: In Drosophila, males from a true-breeding stock with raspberry-colored eyes (instead of normal…

A: True breeding is a sort of mating in which the parents generate kids with the same phenotype as the…

Q: In Drosophila, the genes for withered wings (whd), smooth abdomen (sm) and speck body (sp) are…

A: To calculate the expected number of double crossover, we have to use the product rule. The product…

Q: A female from a pure-breeding strain of Drosophila with vermillion-colored eyes is crossed with a…

A: The genes are the hereditary unit of an organism which are passed on from the parental generation to…

Q: Female Drosophila heterozygous for three recessive mutations e (ebony body), st (scarlet eyes), and…

A: Female Drosophila heterozygous for three recessive mutations e (ebony body), st (scarlet eyes), and…