1. In fruit flies, white eyes are X-linked recessive mutation. If a female who is a carrier of the white eye mutation mates with a red eye male, what percentage of male offspring would be expected to have red eyes? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a 1/2 b 1/4 d 3/4
Q: Imagine a human trait that is inherited via genetic maternal effect and found on the X chromosome…
A: It is given that the trait is X linked recessive. It means the trait is found when all X chromosomes…
Q: 1. What are some of the medical applications of karyotyping? 2 What kind of chromosomal aberration…
A: Genetic abnormalities are conditions caused by changes to the genes or chromosomes. Inherited…
Q: In fruit flies, white eyes are X-linked recessive mutation. If a female who is a carrier of the…
A: Alleles are the alternative forms of a gene that are located on the same locus of a homologous…
Q: 1. How many copies of an X-linked gene does a male have? 2. Will a male be able to give his X-linked…
A: DISCLAIMER : Since you have posted a question with multiple sub-parts, we will solve first three…
Q: Red-green colorblindness in humans is caused by a recessive gene on the X chromosome. A husband and…
A: Red-green color blindness or deficiency is an X- linked recessive disease. It means two X…
Q: Red–green color blindness in humans is due to an X-linked recessive gene. A woman whose father is…
A: Color blindness is a medical condition categorized by the inability to differentiate between…
Q: 40. A heterozygous monkey toe short individual with a short homozygous monkey toed individual. Draw…
A: The alleles are the alternative forms of a gene that are located on the same locus of a homologous…
Q: You can choose one or more than one option During an experiment with Drosophila, it was…
A: Introduction: Thomas hunts morgan and his colleagues for the experimental verification of the…
Q: Color blindness in humans is one example of a recessive X-linked trait. In a family in which there…
A: Genetics is the study of genes, heredity, and genetic variation in an organism. Living organisms…
Q: 1. In the fruit fly, Drosophila melanogaster, the gene for eye colour is sex linked. The allele for…
A: Sex - linked Characters -- Besides to understand Sex - linked character it is necessary to…
Q: 1.In humans, one type of red-green color blindness is a sex-linked recessive. Normal color vision is…
A: A disorder caused by a single mutated gene, inheritable as per mendelian principles, is known as…
Q: 2. Lucy has fair (light) skin, red and wavy/curly hair. Use the model of her parents' genes above to…
A: The process of inheritance involves the transmission of genetic information from parents to progeny.…
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: 6. Color blindness is a recessive X-linked trait (a). A woman whose father is colorblind possesses…
A: As colourblindness is an X linked recessive diseases.So, XcXc = Homozygous recessive ,Colourblind…
Q: 2. A red-green colorblind woman marries a man with normal vision. Their first child is a girl. Their…
A: Given that a red-green colorblind woman marries a man with normal vision. We know that…
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: 3. For each phenotype below, list the genotypes (remember to use the letter of the dominant trait).…
A: Genotype refers to the genetic makeup and phenotype means the external characteristics seen in…
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: 10. Color blindess is a sex-linked recessive disorder on the X Chromosome. If the allele "b"…
A: Sir Gregor Mendel was a priest and a teacher who did the famous hybridization experiment on garden…
Q: Miniature wings (min) is an X-linked recessive mutation in fruit flies. If a min-winged female is…
A: X-linked recessive inheritance refers to the genetic disorders caused by mutations in x chromosomes.…
Q: 40. A heterozygous monkey toe short individual with a short homozygous monkey toed individual. Draw…
A: Genotype is the genetic makeup (sets of genes in our DNA which is responsible for a particular…
Q: 2. In humans, the gene for red-green color vision is located on the X chromosome with no…
A: Genetic inheritance is the process of passing of genetic information from parents to their progeny…
Q: 6 Huntington's disease causes damage to the nervous system. It is an inherited condition caused by a…
A: Genes control the genetic characteristics of an organism. Genotype is the genetic characteristics…
Q: In fruit flies a dominant mutation on the X chromosome causes the eye to be oval instead of round.…
A: Introduction : Gene is a unit of heredity. It contains the genetic information. It is made up of…
Q: 1. In fruit flies, the gene for white eyes is sex-linked recessive. (R) is red and (r) is white.…
A:
Q: 1. Be čareful, you only have info on the phenotype. Control by gene A Control by Colorless precursor…
A: Genetic material is nothing but the sequence of nucleic acids which is called as DNA. It contains…
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: 1A. Fruit Flies and Genetics Research: Imagine you are working in a genetics lab with the fruit fly…
A: Note- Since you have asked multiple question, we will solve the first question for you. If youwant…
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: male has male pattern baldness, an x-linked recessive trait. Which of the following could be his…
A: The genes present on the sex chromosomes are responsible for the inheritance of a variety of traits.…
Q: In organisms with X and Y chromosomes, many more genes can be found on the X chromosome than on the…
A: Sex chromosomes are defined as the chromosomes responsible for determining whether the organism will…
Q: 1. Human males are more likely to be color blind than females. This is because of mutations to genes…
A: Colour blindness is a X linked recessive disorder, where the mutation in the genes coding for colour…
Q: In fruit flies, the color of the eyes is sex linked (on the X chromosome). Complete the cross of the…
A: Given: Color of eyes: sex-linked Red eyes - dominant - R White eyes - recessive - r
Q: 1. In man, normal color vision vs. red green colorblindness is controlled by C (dominant) and e…
A: Recessive and dominant traits are the one who makes phenotype of an individual. Recessive will…
Q: In fruit flies, black body type is a recessive variant of the wild-type brown body. You cross two…
A: Introduction:- A mutation is an heritable change that occurs in the DNA sequence, either due to…
Q: The flower color in pea plant is determined by a specific gene. In a diploid species like the pea…
A: Genes are the functional unit of heredity which are formed of DNA and they code for proteins. They…
Q: The gene for red-green colour vision is carried on the > chromosome. If the gene is faulty, colour…
A: Colour blind is x-linked recessive disorder. People suffering from colour blind not able to…
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: Polydactyly
A: The polydactyly is a dominant disease , so only individual with genotypes Dd and DD will be affected…
Q: 101. A form of vitamin D-resistant rickets, known as hypophosphatemia, is inherited as an X- linked…
A: It’s a type of genetic inheritance through which a gene which is dominant of all is carried on the X…
Q: ***18. Complete this flowchart to show how different alleles can result in different…
A: Alleles are forms of the same gene with small differences in their sequence of DNA bases. These…
Q: 1. Morgan hypothesized that the eye color gene in Drosophila is located on the X chromosome because…
A: Morgan who is an embryologist started extensive research on Drosophila melanogaster heredity…
Q: 1. A red eyed male is crossed with a white eyed female, what eye color should their progenies have?…
A: 1) The gene for eye colour in drosophila is located on X chromosome. The red eye colour is dominant…
Q: Explain how you would design an experiment to answer this question. • Predict what types of…
A: Drosophila melanogaster is often used as a model organism for genetics research. Several different…
Q: 6. There are two enzymes LDH1 and LDH2. The gene that encodes this enzyme is X-linked. You extract…
A: Humans carry 23 pairs of chromosomes - 22 pairs of autosomes and 1 pair of sex chromosomes. Males…
Q: Three of the statements below are true statements and one is false. Select the FALSE statement O New…
A: Answer: INHERITANCE : It is the process of transferring the genetic material from parents to…
Q: 4) A red flower (Rr) is crossed with a white flower (rr). 5) A white flower (rr) is crossed with a…
A: # According to our guideline we can answer only the first question or up to fast three some parts of…
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…
1)
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images
- Please explain how you do this question step by step I am very confused! thank you:) You have three independent mutant alleles in the Drosophila gene no-antenna: nan1, nan2 and nan3. You determine the phenotype of Drosophila that are heterozygous for the three alleles (heterozygous for a wild-type allele and a mutant allele), and that are homozygous for the three mutant alleles. The antenna is composed of three segments that are followed at the distal end by a feathery arista (that is the antenna is composed of three segments and an arista). Allele nan1 nan2 nan3 heterozygous Wild-type No arista Wild-type homozygous No arista No antenna No antenna nan1 is a __x__ allele, nan2 is a __y__ allele, and nan3 is a __z__ allele. X Y Z A Dominant negative Null Hypomorphic B Null Dominant negative Hypomorphic C Null Hypomorphic Dominant negative D Hypomorphic Dominant negative Null E Dominant negative Hypomorphic Null Referencing the table above, select the…A mutation occurs in the bicoid gene in a female fly. What will result if her eggs are fertilized? 1.Her embryos will be normal if they are fertilized by a male fly that contributed a wild type allele for bicoid 2.Her embryos will be normal if the male that fertilizes her eggs also has that same bicoid mutation 3.All of her embryos will be disrupted irrespective of the genotype of the father 4.Her embryos will develop normally but the adults will be sterile6) Duchenne muscular dystrophy (DMD) is a muscle wasting disease and is an X-linked recessive disorder. A man with this disease has children with a woman who does not have the disease, but her father did. If they had a ason, what would be the chance that he would have DMD? If they had a daughter? Any child? Construct a Punnett square to determine the answers. 10) In cats, coat color is completely dominant to albino (Mendelian genetics) and is an autosomal trait. Playa is a female albino cat and is crossed with Azul, a black-coated male. In their first litter, they have 4 black kittens and 2 albino kittens. If in the second litter, they have 8 kittens, how many of the kittens are expected to be albino? Construct a Punnett Square to determine the answer.
- A male has a particular X-linked recessive genetic disorder. His partner is normal, but her father had the disorder. What is the chance that their sons will have the disorder? Select one: Oa. 50% O b. 0% O c. 100% O d. impossible to determine from the information given. O e. 25% LENA C Transcribed Image Text: A male has a particular X-linked recessive genetic disorder. His partner is normal, but her father had the disorder. What is the chance that their sons will have the disorder? Select one: O a. 50% O b. 0% O c. 100% O d. impossible to determine from the information given. O e. 25% Po 11 W *****Duchenne muscular dystrophy is an X-linked, recessive disorder in which muscles waste away early in life, resulting in death in the teens or twenties. A man and woman in their late thirties have five children—three boys (ages 1, 3, and 10 years) and two girls (ages 5 and 7 years). The oldest, boy shows symptoms of the disease. What are the probabilities that their other children will develop the disease? Give only typing answer with explanation and conclusionNLFN3, a gene in the X chromosome has been linked to Autism spectrum disorder ASD. Research has shown that the mutation R451C (represented by the allele X+) is recessive and causes ASD. Ear lobes in humans are coded by a single gene which displays simple dominance. E results in free earlobes, and e corresponds to attached earlobes. What is the probability of having a female offspring with ASD symptoms and attached earlobes from X+Y Ee and X+X ee parents? 25% O 100% 0% O 75% O 12.5% O 50%
- Anhidrotic ectodermal dysplasia is an X-linked recessive disorder in humans characterized by small teeth, no sweat glands, and sparse body hair. This trait is usually seen in men, but women who are heterozygous carriers of the trait often have irregular patches of skin with few or no sweat glands (see the illustration below). Q. Explain why women who are heterozygous carriers of a recessive gene for anhidrotic ectodermal dysplasia have irregular patches of skin lacking sweat glands.The mode of inheritance of the auricular hypertrichous trait in the Brown family is clearly an instance of: Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. b d recessive inheritance with the females being carriers. dominant inheritance with the males being carriers. X-linked inheritance, which is being expressed in the males since they only have one X chromosome. Y-linked inheritance, which can never be passed on to females.Bicoid is a maternal-effect gene in the fruit fly Drosophila that controls anterior/posterior axis formation. Recessive mutations in bicoid can result in fly larvae that have no head, and thus are embryonic lethal. bcd+ is the wild type bicoid allele bcd is the recessive mutant bicoid allele A cross between two heterozygous parents (bcd+/bcd) results in all wild-type F1 offspring. 1. What are the possible genotypes and ratios of each genotype in the F1 offspring of this cross? 1. How can you explain the fact that all the F1 offspring are phenotypically wild-type, using what you know about maternal-effect genes?
- Solve the following genetic problems involving X-linked inheritance. You must pick the right letter to represent the gene in the question. You must show your work using the Punnett square. 1 In humans, red-green colorblindness is a sex-linked recessive condition. Show a cross between a colorblind man and a woman with normal vision (homozygous normal). What are the possible phenotypes of the children? 18. Suppose a female child from the previous question grows up to marry a man with normal color vision. What are the possible genotypes and phenotypes of their children? 19. Hemophilia is a sex-linked trait where X" gives normal blood clotting and is dominant to the hemophilia allele Xh. a. Give the genotypes of 1) a woman with normal blood clotting whose father had hemophilia and 2) a normal man whose father had hemophilia.Red-green color blindness is inherited as an X-linked recessive (Xc). If a color-blind man marries a woman who is heterozygous for normal vision, what would be the expected phenotypes of their children with reference to this character? In your answer, specify in your phenotype descriptions the gender of the children. (For example, don’t just say 75% of the children would be colorblind – you would instead say 100 % of the daughters would be colorblind and 50% of the sons would be colorblind. Note that this is not a correct answer; it is just to give you an idea of how to explain the correct phenotypes of the cross.)___(5)Baldness is an X-recessive linked trait. Baldness is epistatic to curly hair which is dominant over straight hair. The gene which determines whether the hair is curly or straight is on an autosome. A bald male has a wife with straight hair and curly headed daughter. His daughter has children with a male with straight hair. The chance that one of their male offspring has a full head of curly hair is 1/2 for the purposes of this question, assume that if someone is bald, they will not have a full head of curly head even though in real life they might when they are younger. 6. When researchers studied hypertension (high blood pressure) in twins, they found a concordance rate of 36% for identical twins and 8% for fraternal twins. True or False: Since the concordance rate for identical twins is much less than 50%, genetics does not play a role in hypertension.