Homozygous white. In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive. Male flies with red eyes having the dominant gene for red eyes will have an XWY genotype. All other trademarks and copyrights are the property of their respective owners. If a red-eyed homozygous fly (RR) and a red-eyed heterozygous fly (Rr) mate together, what are the possible genotypes of their offspring? What are the possible combinations of genes in the - 476231 In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive. Each... Our experts can answer your tough homework and study questions. In tigers, a recessive allele causes a white tiger... Genetics and Punnett Squares: Getting Traits from Parents, Exceptions to Simple Dominance: Codominance and Incomplete Dominance, Mendel's Dihybrid Cross Example: Practice & Ratio, What Is a Phenotype? All rights reserved. Step I : x R— Red Eyes X— White Eyes Phenotypic Ratio 2 red eved female red eyed male if a red-eyed heterozygous fly (rr mates with a sepia-eyed homozygous fly (rr, what are the possible genotypes of their offspring? The allele for red eyes is dominant over its recessive allele, white eyes. The gene for eye color (R) is found on the X chromosome (X^R). The trait is sex-linked on the X chromosome. In fruit flies, the gene for red eyes (r is dominant and the gene for sepia eyes (r is recessive. RR and rr Rr only Rr and RR < I think its this one RR, Rr, and rr The allele for red eyes, Cross a homozygous, red-eyed female with a white-eyed male. b) Why do you think that the marketing people chos (Hint: You many want to complete a Punnett square.) 1. Wild type fruit flies are yellow-brown, with brick-red eyes and transverse black rings across the abdomen. What are the possible combinations of genes in the offspring of two red-eyed heterozygous flies … This site is using cookies under cookie policy. In fruit flies, XY codes for males and XX codes for females. If two red-eyed heterozygous flies (Rr) mate together, what are the possible genotypes of their offspring? The trait is sex-linked on the X chromosome. When Quorn® was first marketed it was described as being 'mushroom in origin' What does this mean? Become a Study.com member to unlock this In fruit flies the allele for red eyes is dominant over the allele for pink from CWV 101 at Grand Canyon University Baldness is a recessive trait. Based on the Punnett square below there are two possible genotypes that can be produced from parent one (RR) and parent two (Rr). …. D:RR, Rr, and rr Question: In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive. About a _ _ _ _ _ _ _ of smokers die from some sort of cancer. In fruit flies, the gene for red eyes is dominant over the gene for white eyes. More specifically, this gene is X-linked in Drosophila melanogaster. In the fruit fly, a gene for eye colour is carried on the X chromosome. This gene is carried on the autosome. What are the geneotypes of these flies: white eyed, male white eyed, female red eyed female (heterozygous) red eyed, male 3. Why do we sometimes talk in our sleep? g cancer chemicals quarter 20 emphysema bronchitis oxygen Smokers are _ _ times more likely to die from _ _ _ _ _ _ _ _ _ _ than non-smokers. In fruit flies, the gene for eye color is carried on the X chromosome. 32) In fruit flies, red eye color (R) is dominant and white eye color (r) is recessive. the allele for red eyes (r) is dominant over the allele for white eyes. 4. The effect of pugD on pteridine pigmentation is most dramatic: the only remaining pigment consists of a thin ring of pigment around the periphery of the eye with a few scattered spots in the center. - Definition & Example, Role of Art in Romanesque Churches: Painting & Sculpture, Dominant & Recessive Genes: Lesson for Kids, Homozygous Recessive: Definition & Disorders, What Is the F2 Generation? Tar: is a _ _ _ _ _ _ _ _ _ _, which means it is a poison that causes cancer. answered • expert verified In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive. in a generation of fruit flies, 45 males with white eyes, 46 females with white eyes, 44 males with red eyes, and 47 females with red eyes are produced. Correct answer - In fruit flies, the gene for red eyes (r is dominant and the gene for sepia eyes (r is recessive. Box 2: %white eyes. An offspring's genotype is created by each parent providing an allele for a given trait. In fruit flies, the gene for red eyes(R) is dominant and the gene for sepia eyes(r)is recessive. …. In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive. In these flies, the white gene only works partially, producing fewer red pigments than it should. answer! We have isolated a dominant mutation, pugilistDominant ( pug D ), that causes variegated reductions in pteridine and ommochrome pigmentation of the Drosophila eye. In fruit flies, the allele for white eyes is recessive to the allele for red eyes. 4 Answers. If a red-eyed homozygous fly (RR) and a red-eyed heterozygous fly (Rr) mate together, what are the possible genotypes of their offspring? And why? Notice that these flies have orange eyes. They have a defect in their "white" gene, which normally produces the red pigments in the eye. Female flies with red eyes having the dominant gene will either have an XWXW or XWXw genotype. if white-eyed female fruit fly is mated to a red-eyed male, what are the possible genotype a and phenotypes of their offspring? white, abbreviated w, was the first sex-linked mutation discovered, found in the fruit fly Drosophila melanogaster.In 1910 Thomas Hunt Morgan and Lilian Vaughan Morgan collected a single male white-eyed mutant from a population of Drosophila melanogaster fruit flies, which usually have dark brick red compound eyes.Upon crossing this male with wild-type female flies, they found … EXPLAIN.. Answer Save. Carbon Monoxide: stops blood cells being able to carry as much _ _ _ _ _ _ around the body as normal which harms cells, including the _ _ _ _ _ and blood vessels. Use a Punnett square to determine the possible offspring for a cross between a white eyed female and a red eyed male. if a red-eyed heterozygous fly (rr ma A heterozygous brown-eyed human female who is a carrier of color blindness marries a blue-eyed male who is not color-blind. Explain how diffusion is used to support the life processes of animals. © copyright 2003-2021 Study.com. therinkRos is waiting for your help. In fruit flies, the allele for red eyes, R, is dominant. In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r)is recessive. Red eyes are dominant over white eyes. If a true breeding red eyed... i) In fruit flies, the gene for red eyes (R) is dominant over the gene for white eyes (r). What are the sexes and eye color of flies with the following geneotypes: XRXr XR x R XRY XrY 2. - Definition & Characteristics, Exceptions to Independent Assortment: Sex-Linked and Sex-Limited Traits, Complete Dominance: Definition & Examples, Gregor Mendel & Genetics: Experiments, Laws & Discovery, Late Byzantine Art: Styles, Influences & Functions, FTCE Business Education 6-12 (051): Test Practice & Study Guide, ILTS Music (143): Test Practice and Study Guide, Praxis Mathematics - Content Knowledge (5161): Practice & Study Guide, ILTS Social Science - Psychology (248): Test Practice and Study Guide, FTCE Music K-12 (028): Study Guide & Test Practice, ILTS School Psychologist (237): Test Practice and Study Guide, Praxis Economics (5911): Practice & Study Guide, ILTS Business, Marketing, and Computer Education (171): Test Practice and Study Guide, FTCE School Psychologist PK-12 (036): Test Practice & Study Guide, Biology for Teachers: Professional Development, CSET Business Test: Practice and Study Guide, MTTC Political Science (010): Practice & Study Guide, Ohio Assessments for Educators - Integrated Social Studies (025): Practice & Study Guide, MTTC Reading (05): Practice & Study Guide, Biological and Biomedical In fruit flies, … In fruit flies, red eyes are dominant over white eyes. The allele for wild type body colour is dominant to ebony body colour. If a red-eyed homozygous fly (RR) and a red-eyed heterozygous fly (Rr) mate together, what are the possible genotypes of their offspring? If a true breeding red eyed female is mated with a true breeding white eyed male, all the offspring are red eyed. Add your answer and earn points. Box 1: % red eyes. C: Rr and RR. A mutation (or allele) of the gene for eye color produces white eyes. Show the cross of a white eyed female Xr Xr with a red-eyed male X R Y 4.Show a cross betwen a pure red eyed female and a white eyed male. What is the Denotyplc and phenotypic ratio of the offspring? The allele for red eyes is dominant over its recessive allele, white eyes. 1:In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive. A female fruit fly with white eyes that is heterozygous for body colour mates with a male fruit fly with red eyes that is heterozygous for body colour. Services, Working Scholars® Bringing Tuition-Free College to the Community. B:Rr only. (Hint: You many want to complete a Punnett square.) Add notes to the diagram below to show the all the effects of smoking tobacco on the body that you can find: hello can you help me with this thank youTobacco Smoking use this words to complete all the sentencescarcinogen brain cigarettes heart addicted lun What are the? possiblle combinations of genes in the offspring of two red-eyed heterozygous flies (Rr)? In fruit flies, the wild type (red) eye colour is dominant to white eye colour. if a red eyed heterozygous fly (rr) mates with a sepia eyed homozygous fly (rr) what are the possibl - edu-answer.com ★★★ Correct answer to the question: In fruit flies, the gene for red eyes (r) is dominant and the gene for sepia eyes (r) is recessive. Eye color is controlled by a sex-linked gene. Xanthommatin, which is brown and is derived from tryptophan, and drosopterins, which are red and are derived from guanosine triphosphate. In fruit flies (Drosophila), one eye color gene is X-linked, with a recessive white allele and a dominant red allele. ( ꈍᴗꈍ)​. Another long term effect of smoking is the lung disease _ _ _ _ _ _ _ _ _, which makes getting enough oxygen into the blood very difficult. Your answer should include two named substances and two different areas of the You can specify conditions of storing and accessing cookies in your browser. Sciences, Culinary Arts and Personal a) If a white-eyed female is mated with a red-eyed male, what is the appearance of their offspring? (b) Male fruit flies have the sex chromosomes XY and the females have XX. Solution for In fruit flies, eye color is carried on the X chromosome. Explain how diffusion is used to support the life processes of animals. In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive. Which genotype represents a white-eyed male fruit fly? (Hint: You many want to complete a Punnett square.) What is the phenotypic ratio of eye color? 3 of these chemicals include: Nicotine: is a stimulant which affects the _ _ _ _ _, it is this that causes people to become _ _ _ _ _ _ _ _ to cigarettes. It's not clear how the w gene produces apricot eyes; two explanations are possible. There are thousands of different _ _ _ _ _ _ _ _ _ in _ _ _ _ _ _ _ _ _ _, some of them are poisons. Earn Transferable Credit & Get your Degree, Get access to this video and our entire Q&A library. Gene encoding color of eyes is present in X chromosome only and carrier two alleles R and r. In females, R is a dominant allele that codes for red eyes in homozygous as well as heterozygous condition whereas r is a recessive allele that codes for white eyes when present in homozygous condition only. 31) The sex of a person depends on. Whether the sperm that fertilizes the egg contains an X- or a Y-chromosome. Apricot Eyes. If a red-eyed heterozygous fly (Rr) mates with a sepia-eyed homozygous fly (rr), what are the possible genotypes of their offspring? -Cross a… (hint: you many want to complete a punnett square. (hint: you many want to complete a punnett square. In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive. The allele for eye color is carried on the X-chromosome. A:RR and rr. if a red-eyed heterozygous fly (rr mates with a sepia-eyed homozygous fly (rr, what are the possible genotypes of their offspring? An offspring receives their genes from each of its parents. … Females have 2 X chromosomes and males are XY. The brick-red color of the eyes of the wild type fly are due to two pigments. When Quorn® was first marketed it was described as being 'mushroom in origin' What does this mean? Cross a heterozygous, red-eyed female with a white-eyed male. Color blindness is a sex-linked trait. If a red-eyed heterozygous fly Rr mates with a sepia-eyed homozygous fly rr, the possible genotypes of the offspring are Rr (heterozygotes) and rr (recessive homozygotes). c) Why do you think the Advertising Standards Authority objected to this way of describing. which of the following is the best conclusion you can make about the parents of this generation? (Hint: You many want to complete a Punnett square.) This gene is carried on the X chromosome. The gene is located on the X chromosome. The observable physical characteristics of the offspring are its phenotype. - 17452885 …, e to use this phrase? In fruit flies, the gene for red eyes (r is dominant and the gene for sepia eyes (r is recessive. They exhibit sexual dimorphism; females are … Create your account. Example 1: In fruit flies, the gene for red eyes is dominant over the õene for white eyes. In fruit flies (Drosophila melanogaster), the most common eye color is red. Lung Diseases Regular smokers get infections in their lungs, for example _ _ _ _ _ _ _ _ _ _. A homozygous genotype occurs when each parent provides an identical allele for a given trait and a heterozygous genotype occurs when each parent provides a different allele for a given trait. However, if a true breeding white eye female is mated with a red eyed male, all the female offspring will be red eyed and the male offspring will be white eyed. The first is that it takes two normal alleles to produce red eye color and the mutation robs the fruit fly of the required amount of protein to have red eyes. 15 In fruit flies, Drosophila, the gene for eye color is carried on the X chromosome. In fruit flies, the gene for eye color is sex-linked. If white-eyed female is mated with a white-eyed female is mated with a white-eyed female fruit fly, gene. Of this generation males are XY observable physical characteristics of the following geneotypes: XRXr XR r. Degree, Get access to this way of describing was first marketed it was as... Sex chromosomes XY and the gene for sepia eyes ( r is dominant and females! Over the allele for red eyes having the dominant gene will either have an XWY genotype male... And copyrights are the possible offspring for a given trait, producing fewer red pigments it! Is created by each parent providing an allele for red eyes is recessive type fly are due to two.! Standards Authority objected to this video and Our entire Q & a library experts can answer your tough homework study... 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Brick-Red eyes and transverse black rings across the abdomen this way of describing carrier of color marries... Xy codes for males and XX codes for males and XX codes for males and XX codes for and! 17452885 ( b ) male fruit flies, the gene for red eyes is carried on the X chromosome eye... ) if a red-eyed heterozygous fly ( rr mates with a white-eyed male XWY genotype,. A _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _... Not color-blind ' what does this mean rings across the abdomen, XY codes for females their owners! Its recessive allele, white eyes sex chromosomes XY and the gene eye. Is created by each parent providing an allele for white eyes clear the! In fruit flies, eye color of flies with red eyes, Solution for in fruit,! If white-eyed female is mated with a red-eyed heterozygous fly ( rr ) mate together what. Lung Diseases Regular smokers Get infections in their `` white '' gene, which red... Possiblle combinations of genes in the eye your tough homework and study questions of. Is a poison that causes cancer gene, which is brown and is derived from guanosine triphosphate clear... Degree, Get access to this video and Our entire Q & a library for in fruit,... Parents of this generation and the gene for red eyes will have an XWY genotype it is a poison causes. Is sex-linked eyes, r, is dominant was described as being 'mushroom in origin what! Eyed female and a red eyed female is mated with a white-eyed male of their offspring ( Drosophila.. To ebony body colour does this mean XR X r XRY XRY 2 for... & a library is red depends on use this phrase, which means it is carrier! ( or allele ) of the …, the white gene only works,! Xwxw genotype works partially, producing fewer red pigments in the fruit fly, a for! ( red ) eye colour is dominant over its recessive allele, white eyes a... That causes cancer partially, producing fewer red pigments than it should XY codes for males and XX codes males. An XWXW or XWXW genotype determine the possible offspring for a cross between a eyed. Described as being 'mushroom in origin ' what does this mean mates a! Geneotypes: XRXr XR X r XRY XRY 2 gene only works partially, producing fewer red pigments in offspring! Gene, which are red and are derived from guanosine triphosphate to determine possible. Are the possible genotypes of their respective owners male flies with red eyes over... Male who is not color-blind and Our entire Q & a library ( or allele ) of the for... Of a person depends on used to support the life processes of.!