2. Females heterozygous for the recessive second chromosome mutations bw, sp, and cn are mated to a male homozygous for all three mutations. The offspring are as follows: bw sp cn 10 bw sp 62 bw сп 82 bw + + 361 sp cn 339 sp 79 + + сп 55 + + + 12 total 1000 a. Which gene is in the middle? b. Show the map of these genes along with the distances. What is the interference?

Q: 1. In fruit flies, white eyes are X-linked recessive mutation. If a female who is a carrier of the…

A: Introduction :- A gene's allele is one of two or more variants. For each gene, an individual…

Q: 2. From previous research findings, you know that the distance between the gene for eye colour and…

A: In flies , there are two types of traits . These are:-  I ) Trait for eye colour :- In this ,purple…

Q: 7. The following diagram shows the two chromosomes in an individual heterozygous for an inversion,…

A: An inversion is a type of chromosome rearrangement where a segment of the chromosome is reversed…

Q: 9. Please determine whether the allele responsible for the trait is dominant or recessive. (A) (B)…

A: Pedigree analysis gives an idea how the disease is transferred from parents generation to next…

Q: 6. Look at the following pedigree for a given trait to answer the questions below. || 1 B A KEY: O I…

A: According to Bartleby guidelines, only the first three have been answered. Kindly post the remaining…

Q: please answer questions 4 a, b, c, and d.

A: A) The possible gametes of both the parents are BW, Bw, bW, and bw.B) The Punnett square showing the…

Q: 1. What is the order of the genes on the chromosome? 2. Why is the distance between genes a and c as…

A: Genes are placed on the chromosome and they may be linked or unlinked. Genes that are close together…

Q: 5. In humans, one type of color-blindness, an inability to distinguish between red and green, is…

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

Q: 7. Let's suppose that two genes, A and B, are 18 map units apart along the same chromosome. A cross…

A: When two or more genes linked together are always inherited together in the same combination for…

Q: 7. A male fly that is homozygous for recessive alleles at two linked autosomal genes is mated with a…

A: According to Mendelian inheritance, every character is controlled by one or more pairs of alleles…

Q: 4. In humans, the gene for color blindness is on the X-chromosome. Color blindness is recessive (X)…

A: Colorblindness is a disease where the person looses his/her ability to distinguish between certain…

Q: 4. In Drosophila melanogaster the wild-type eye colour is dark red. A pure-breeding mutant strain…

A: Inheritance or heredity is the passing-on of one trait form the parents to the progeny by either…

Q: 4. In Drosophila, eye color is determined by two different genes located on different chromosomes. A…

A: Given information Eye color is determined by two genes. b gene is autosomal and produces brown eye…

Q: 2-Female Drosophila heterozygous for three recessive mutations e (ebony body), st (scarlet eyes),…

A: Introduction Homozygous means that you inherit the same version of the gene from both parents,…

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

A: a) When all the progeny are not shown at equality then this indicates that the genes are linked…

Q: A strain of Neurospora with genotype A B is crossed with a strain with the genotype a b. Half the…

A: In Neurospora , there are two types of genes : A and B . Genotype of :-  Parent I :- A B  Parent II…

Q: 2. What is the result of crossing over?  A. recombination B. mutation C. linkage D. adaptation

A: The field of biology that deals with the study of inheritance are known as genetics. Organisms pass…

Q: 6. One cat has the genotype Ll for long hair while its mate has the recessive genotype ll for…

A: Introduction: The branch of biology that deals with the study of genes is known genetics. The father…

Q: 5. A horse breeder finds that one of the stallions has a genetic defect that affects the motility of…

A: Probability means the chance of occurrence of a certain event when expressed quantitatively. It is a…

Q: 4. Black body and vestigial wing in Drosophila are controlled by recessive alleles, b and vg,…

A: Dominant alleles - b+ and vg+ grey body with normal wing. Recessive alleles - b and vg black body…

Q: What are the genotypes of the recombinant gametes produced by F1 individuals who were created by…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: 4. Suppose that a parent Drosophila is e ca ca The gamete frequency is as follows: e'ca e'ca e ca e…

A: The gametes produced during meiosis can be recombinant or non-recombinant (parental). If the genes…

Q: 13 - Assume that you have a garden and some pea plants have solid leaves and others have striped…

A: Genes are the specific codes of these amino acids which produces a protein and alleles is the…

Q: 1. In corn, male sterility is controlled by maternal cytoplasmic elements. This phenotype renders…

A: In male plants, cytoplasmic male sterility refers to partial or complete sterility caused by…

Q: 3. Under what circumstances would the following reciprocal translocation heterozygote produce…

A: Translocation is the exchange of gene fragments between two chromosomes.

Q: 6. An X-linked ichthyosis is a recessive form of a family of skin diseases caused by a hereditary…

A: An X-linked ichthyosis is a recessive form of inherited genetic skin disease that affect males. It…

Q: 3. The allele for long fur (H) is dominant over the allele for short (h) fur in mice. A mouse with…

A: Long fur is dominant over short fur.

Q: 8. This family pedigree follows a family afflicted by a trait determined by the R gene IdA 2 9 10 11…

A: A gene is a unit of genetic material and alleles are the alternative form of genes present at the…

Q: 2. In a certain rose variety, thorny stems ( t) are recessive to smooth stems (T) and having white…

A: To determine whether the heterozygote is in coupling or repulsion, just look at the parental…

Q: 4. In Drosophila, three autosomal, recessive mutations are ebony body (e), sepia eye color (s), and…

A: In genetics, crossing over occurs in a chromosome, during the prophase stage of meiosis. During this…

Q: 4. Consider two recessive sex-linked traits in Drosophila melanogaster, white eyes and yellow…

A: The X linked genes are found on the X chromosome. The linkage is the tendency of two genes pass…

Q: I have started this but I am not sure how to finish it.

A: Hello! You have posted multiple questions and half of the questions are already answered. So, I am…

Q: 2. In corn, male sterility is controlled by maternal cytoplasmic elements. This phenotype renders…

A: In male plants, cytoplasmic male sterility refers to partial or total sterility caused by…

Q: Sketch the four gametes produced by a CROSSOVER between C and D and label whether or not each gamete…

A: Inversion - An inversion is a chromosome rearrangement in which a segment of a chromosome is…

Q: 1. In Drosophila, bar-shaped eyes (B), scalloped wings (S), crossvein-less wings (W), and eye Color…

A: The phenomenon of crossover is used to describe the order of genes along a chromosome and the…

Q: 7. Purebred lines of wild-type fruit flies (gray body and normal wings) are mated to flies with…

A: Recombination results formation of new characters in organism. This is the specificity of meiosis.

Q: 12. A heterozygous black mouse is crossed with a white mouse. a) Which color is dominant? b) How did…

A: Note: As per guidelines only the first three has been solved. Repost for remaining questions…

Q: 3. In fruit flies, the gene for wing shape has an unusual allele called 'curly (designated cy). The…

A: Given details are as below,      cycy = Normal straight wings (homozygous)      Cycy = wings curl up…

Q: 1. In Drosophila, yellow body is due to an X-linked gene (XY) that is recessive to the gene for grey…

A: Heterozygous gray female represented as- X+ Xy Yellow male- XyY   X+ Xy XY X+ Xy (grey, as…

Q: 4. An albino corn snake is crossed with a normal-coloredcorn snake. The offspring are all…

A: A genetic cross is the purposeful mating of two individuals resulting in the combination of genetic…

Q: 2. In a certain rose variety, thorny stems ( 1) are recessive to smooth stems (T) and having white…

A: Thorny stems (t) are recessive  Smooth stems (T) dominant  White flowers (r) is recessive Red…

Q: 8. Concerning the sex chromosomes, which of the following is correct? The Y chromosome carries a…

A: Humans have two types of sex chromosomes: X chromosome and Y chromosome. If a person possesses two X…

Q: 2. The homozygous mutant a, an allele of the albinism gene in the mouse, has a white coat and dark…

A: "Genetic variation" is the result of the recombination of genetic material during the inheritance…

Q: 7. A and B are linked genes. In a study of 100 offspring, 96 inherited chromosomes that did not…

A: Since we only answer 1 question in case of multiple question, we’ll answer the first question as the…

Q: 1. Color blindness is a trait carried on the sex chromosomes. Let C be normal color vision and e b…

A: (Please note that you have submitted multiple questions simultaneously, we are not able to answer…

Q: 3. A man who has polydactyly and normal vision marries a color-blind woman with a normal number of…

A: Sir Gregor Mendel was a priest and a teacher who did the famous hybridization experiment on garden…

Q: 3. Under what circumstances would the following reciprocal translocation heterozygote produce…

A: Reciprocal translocation is a type of chromosomal abnormality in which a segment of DNA is swapped…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.