. A white-eyed female Drosophila is mated with a redeyed (wild-type) male, the reciprocal cross of the oneshown in Figure 15.4. What phenotypes and genotypesdo you predict for the offspring from this cross?

Q: In Drosophila, the sepia mutation (se, chromosome 3, position 26) results in dark brown eyes, while…

A: Introduction :- D. melanogaster is an ideal model organism due to a variety of characteristics. The…

Q: In Drosophila, a heterozygous female for the X-linkedrecessive traits a, b, and c was crossed to a…

A: Genetics is a branch of biology that deals with genes, heredity, and variation. Heredity purely…

Q: What does it mean? The law if dominance is used to explain the expression of only one of the…

A: Gregor Johann Mendel conduct the hybridization experiment on pisum sativum (garden pea) and proposed…

Q: The inheritance of short wings in Drosophila iruit nles is an X- IIhked, recessive trait. Which…

A: wild type-normally found in nature Mutant type-one with random mutations

Q: 1. In the fruit fly, very dark febony) body color is determined by the recessive e allele. The e+…

A: An allele is a variant form of a gene.

Q: 3. In mice, black fur (B) is dominant to white (b). At a different locus, a dominant allele (A)…

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

Q: 4. In owl, barring (B) is sex-linked and dominant, the recessive allele (b) producing solid black…

A: In owl , there are two types of traits . I ) In case of first trait , Barring is dominant and is…

Q: F1 female Drosophila heterozygous for cinnabar eye (cn), vestigial wings (vg) and roof wings (rf)…

A: Traits Cinnabar eye (cn) genes Vestigial wings (vg) genes Roof wings (rf) genes Cross: female…

Q: 3.13 In Drosophila, the mutant allele bwdts causing brown eyes (normal eyes are red) is temperature…

A: It has been observed in various organisms that there are certain genes that are temperature…

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: (E) When you count the F2 generation, you REALLY get: 85 brown winged flies. 728 black winged flies.…

A: Solving the first part(E). You may ask next question in next part thanks.

Q: Long ears in some dogs are an autosomal dominant trait. Two dogs mate and produce a litter in which…

A: A phenocopy can be defined as the variation in phenotype which is resulted due to the environmental…

Q: As stated in Solved Problem 2, recessive mutation in certain mice called waltzers causes them to…

A: The waltzing female that arose by crossing waltzers and normals is showing recessive genes. It is…

Q: 2. In Drosophila sp. Red eyes are dominant over white eyes. Normal wings are dominant over vestigial…

A: Let R allelle encodes red eye and it is dominant over r allele.  N encodes normal wing and it is…

Q: Monohybrid 1. In dogs, pointed ears (P) is dominant over droopy ears (p). What are the results if…

A: Genetics is the study of genes, heredity, and genetic variation in an organism. Living organisms…

Q: 166. In Drosophila crossing over occurs in female but not in male. Gene A and B are 10 map unit…

A: Ans: Crossing over: The swapping of genetic material which occurs in germ line is referred as…

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: 3.13 In Drosophila, the mutant allele bwdis causing brown eyes (normal eyes are red) is temperature…

A: As per our policy, we are answering the first question only. For the rest of the questions, kindly…

Q: Two recessive traits in mice—droopy ears and flaky tail—arecaused by genes that are located 6 mu…

A: Testcross for the above given information is:

Q: 2. In tomatoes, 2 pairs of genes affect the phenotypes of ripe fruit with the following alleles. R=…

A: Answer -  A) Rroo x rrOo   Rr rr oo Rroo rroo Oo RrOo rrOo The phenotypic ratio of the…

Q: Two recessive traits in mice—droopy ears and flaky tail—arecaused by genes that are located 6 mu…

A: According to the question, recessive traits in the mice are - Droopy ears (de) and Flaky tail (ft).…

Q: 1. In fruit flies, the gene for white eyes is sex-linked recessive. (R) is red and (r) is white.…

A:

Q: - In dandelions, yellow flowers (L) are dominant to pink flowers (1), and tall plants (T') are…

A: Genes are the units that are responsible for inheritance. Genes that code for different forms of a…

Q: 4. In owl, barring (B) is sex-linked and dominant, the recessive allele (b) producing solid black…

A: Since you have asked multipart question without mentioning which part need to be solved . We are…

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: mutant females with wild-type males, or (ii) mutant males with wild-type females, or (iii) both…

A: A test cross is a cross between a homozygous recessive individual with a heterozygous individual.…

Q: 0. In Drosophila, the gene for cinnabar eye color is onchromosome 2, and the gene for scarlet eye…

A: The genes for cinnabar eye and scarlet eye are recessive to wild-type. The Drosophila flies with the…

Q: In currant moths, their Light color is sex-linked and recessive (d) to dark color (D). What are the…

A: Dominant trait- A trait is considered dominant if it expresses in the organism which is having only…

Q: no need to explain just need n=to know if it a.b.c and d. 1.) In a species of dog, a mutant gene…

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

Q: Let's do one more monohybrid cross. Suppose these is a gene in chickens that controls whether their…

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

Q: Inheritance of a single gene: 4. A "chocolate" cat mates with a cat heterozygous at the gene for…

A: Let's understand the allele for each colour. The B allele is for a normal wild-type black…

Q: 1. In the pea plant, the green pod color allele is dominant to the yellow pod color allele. o Set-up…

A: (Next: According to guidelines, we are supposed to answer only first question from multiple…

Q: Cross a homozygous straight, homozygous black mouse with a heterozygous straight, brown mouse.

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

Q: 3. In Drosophila, an X-linked recessive mutation, scalloped (sd) causes irregular wing margins.…

A: A) a scalloped female is crossed with a normal male: -  Xsd Xsd × X Y    Xsd Xsd X Xsd X Xsd X…

Q: What has happened with the red and white flower in the monohybrid.cross? Rr Rr Why did this happen?…

A: Answer: MONOHYBRID CROSS : It is the cross between one trait of two types of an indivdual.

Q: Three recessive mutations in that affect eye colour, wing shape and body colourarew, m and b. The…

A: In Drosophila , w , m , b are three mutations that impact on eye colour , shape of wing and body…

Q: Fruit flies having one allele for curly wings (Cy) and one allele for normal wings (Cy+) develp…

A: Fruit flies (Drosophila melanogaster) are small insects which are usually found in homes, hotels as…

Q: 1. In Drosophila melanogaster (fruit fly) experiment, if we are going to cross male and female…

A: There are 2 categories of chromosomes: sex chromosomes and autosomes. The rules of inheritance with…

Q: In Drosophila melanogaster, cinnabar eye (cn) and vestigial wing (vg) are simple recessive traits. A…

A: Cinnabar eyes = cncnv+v+ Vestigial wings = cn+cn+vv Test cross parent = cncnvv (cinnabar and…

Q: Explain the rationale behind a testcross. Is it necessary for one ofthe parents to be homozygous…

A: Genetics is the study of inheritance of characters which is the heredity and the variation of the…

Q: 6. In Drosophila, Bar eyes (B) is dominant trait located on the X chromosome, apterous wings (ap)…

A: The product rule is used in this case. The overall probability is calculated by the product of…

Q: Black eyes in mice are a dominant trait.  Red eyes are due to recessive trait.  What is the genotype…

A: The Punnet square is a square diagram that consists of a grid of four boxes. It is named after…

Q: 3. Black fur in mice is dominant to brown fur. hort tails are dominant to long tails. In a cross of…

A: According to the law of dominance, a dominant allele suppresses the features of a recessive allele…

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: In Drosophila, a heterozygous female for the X-linkedrecessive traits a, b, and c was crossed to a…

A: A dihybrid cross with unlinked markers should produce a 1:1:1:1 ratio, according to Mendel's…

Q: oduce green pigment, while homozygous recessive aa individuals produce ment. During the course of…

A: In a "cut and paste" transposition, the transposon is completely excised from the donor site and…

Q: You start your experiments with the eyeless mutation on chromosome IV. You cross the reciprocal…

A: Each organism's DNA sequence is unique. Its base-pair sequence might vary from time to time. It is…

Q: 6. ) In mice, an allele for apricot eyes (a) is recessive to an allele for brown eyes (a*). At an…

A: Introduction The relationship between two versions of a gene is referred to as dominant. Each parent…

Q: 4. In owl, barring (B) is sex-linked and dominant, the recessive allele (b) producing solid black…

A: According to Bartleby guidelines , we are supposed to answer first three subparts in case of…

Q: n Drosophila, gray body color is dominant to ebony body color, while long wings are dominant to…

A: Drosophila melanogaster is commonly known as Fruit fly