3. Agouti (A) is wild type and produces alternating bands of pigment on each hair. Black (a) is recessive to agouti. A mutation on gene B (recessive b) can eliminate all color. In a cross between agouti (AABB) and albino (aabb) mice, what genotypes, phenotypes, and proportions are expected in the offspring in F1 and F2 generations? Answer 4. What unusual phenomenon is at work in each of the following disorders? a. Mara develops dark patches on her face. Her family physician suspects that she may have alkaptonuria. However, a dermatologist discovers that the woman has been using a facial cream containing hydroquinone, which causes skin patches in dark-skinned people?

Q: 1. How easy was it to predict the possible composition of the 1st filial and 2nd filial generations…

A: Punnet square is a reliable method for predicting an individual's genotype and phenotype.How to make…

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: 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: 4. Thomas Morgan collected the following crossover gene frequencies while studying Drosophila.…

A: If the genes are located on the same chromosome then they are classified as linked genes and they…

Q: How are you able to determine the genotype of a parent if you only know the phenotype of both…

A: The observable characteristic which is clearly seen is called phenotype.  This is usually determined…

Q: 2. A heterozygous (+/c) for curved wings is crossed to another heterozygous (+/c) for curved wings.…

A: F1 Genotype: +/c (all progeny) Phenotype : wild type wings (all progeny)

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

A: According to guidelines we have to answer the first question only. so please kindly post the…

Q: 3. Two yetis have babies. a. What is the dominant phenotype? b. What is the recessive phenotype? c.…

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

Q: 3) Eye color in chimpanzees is coded for by one gene with two alleles, “A" and “a". “A" is dominant…

A: A person displaying a dominant phenotype might have two copies of the dominant allele or one copy of…

Q: A sex-linked recessive allele rg causes a red-green colorblindness in humans. A normal woman whose…

A: Color blindness is a hereditary disorder. It is linked to X chromosome and it is X-linked recessive…

Q: 1. If your genotype is Bb, what type of trait would you express as phenotype?        a. dominant…

A: NOTE: since you have posted multiple questions so we will be solving the first 3 parts for you. As…

Q: 7. Answer the questions about the pedigree shown below. a. What is the pattern of inheritance…

A: Pedigree analysis is a graphical representation that represents a family tree, which displays the…

Q: Step Example Perform a cross between a fly that is known to be heterozygous for both traits and a…

A: Recombination frequency measures the genetic linkage between a set of alleles/genes and is used to…

Q: 1. Use the following information to answer the question: Parental cross is RrYy x RrYy…

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

Q: 3. The chestnut coat color of horses is due to a recessive gene, while the dominant allele results…

A: Let us assume the dominant allele for black colored coat to be “B” and that for recessive chestnut…

Q: 3. Based on the following data which of the following would be considered: a. Recessive? b.…

A: Usually in a diploid (2n) organisms every chromosomes have two copies. So, every genes have also two…

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: 4. When the F1 bees were backcrossed to the inbred resistant line produced 4 types of offspring in…

A: Inheritance is the process of transmitting the traits from parent to offspring. Traits of an…

Q: 1. What is a pedigree? 2. In a pedigree chart, how would you know if the individual manifesting the…

A: The pedigree analysis involves the development of a kindred that may be accustomed trace the…

Q: 4. Flash, who has yellow fur and Daisy, who has light brown fur are both golden retrievers. Flash is…

A: In genetics the gene control the hereditary characters. Alleles are the alternative forms of the…

Q: You are doing a genetics experiment with the fruit fly. In the “P” generation, you cross two…

A: In genetics, a cross is the result of mating two parents with various genes, resulting in offspring…

Q: 1. The gamete from which parent determines the sex of the offspring in lhumans? 2. Individuals that…

A: 1. There are two types of gametes one is male gamete which may contain either X or Y chromosome and…

Q: 1) What is meant by epistasis? The natural colouration of wild mice is called agouti and is produced…

A: "Genes" store genetic information in the form of DNA, which may be converted into functional…

Q: ) A farmer wants to breed a variety of taller corn. a) How can the farmer use variation in the…

A: A farmer wants to breed a variety of taller corn..

Q: 3. A couple just had a baby, who has type-O blood. Upon learning the baby’s blood type, the father…

A: (a) IA, IB and i are alleles which is present on the red blood cells. These are responsible for…

Q: 1. The ability to grow differently colored fur based on the season provides Arctic foxes with a…

A: Genetic constitution of an organism is represented by genottype. It controls the expression of…

Q: 1 Scenario 1: A man and woman have decided to have children but are worried about possible genetic…

A: Given: Women have heterozygous allele -Aa Dad is homozygous dominant - AA

Q: 1)If both parents are heterozygous, which genotypes are possible for their offspring? choose all…

A: A Punnett square is a tool that helps to predict the possible genotypes and even the probabilities…

Q: 1. If there are two alleles for flower color in pea plants, one that results in violet color…

A: Genetics is the branch of biology, which deals with the study of genes, their pattern of…

Q: Wolves sometimes have black coats with blue eyes. These two traits are controlled by genes on…

A: Dominant refers to the relationship between two versions of a gene. Individuals receive two versions…

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: 4. Two genes control color in lentils. A- B- lentils are black, A- bb are cream, aa B- are brown,…

A: A-B- encodes black color.  aaB- encodes are brown in color.  aabb are white in color.

Q: 6. Everyone in Squidward's family has light blue skin, whieh is the dominant trait for body color in…

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

Q: In humans, brown eyes are dominant over blue eyes. If a couple who are both heterozygous for brown…

A: Heterozygous  A zygote is formed by fusion of two different types of gamete carrying different…

Q: 2. A red snapdragon is crossed with a white snapdragon plant. Red pigment is incompletely dominant…

A: Sometimes, a cross between organisms with two different phenotypes produces offspring with a third…

Q: 3. Which correctly describes a genetic trait that is sex-linked in humans? A. The trait appears only…

A: The male chromosome has XY and the females have XX.

Q: 8. Use the pedigree chart below to answer the questions that follow. Autosomal or Sex-Linked?…

A: (i) The above pegidree is Autosomal (ii) Dominant

Q: 1. Use the below pedigree chart to answer the following questions about dimples. The Dimple gene…

A: The genotype of a cell or organism is the genetic code of that cell or organism. The sum of all…

Q: 3. Pigeons may exhibit a checkered or plain color pattern. In a test cross, the following data was…

A: Let us find the ratios from the given data as,  Checkered X Checkered is 36:0  Checkered X Plain is…

Q: 5. A population of mice may be brown (dominant phenotype) or white (recessive phenotype). Brown mice…

A: The frequencies of genotype, phenotype, and alleles of an individual can be determined by using the…

Q: 2. Draw a Punnett square of a cross between a homozygous dominant individual and a heterozygous…

A: Answer 1: -  Parent individuals: - BB (homozygous dominant), Bb(heterozygous dominant) Cross: -…

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: 1. You have 3 turtles, each with a mutation that causes them to have a strange polka dotted pattern…

A: DNA (deoxyribonucleic acid) accounts for the characters present in an organism and its shape and…

Q: 1.In Drosophila melanogaster body color is controlled by one gene while wing shape is controlled by…

A: According to the Mendelian inheritance one gene contain two alleles and one is dominant and the…

Q: H = Short hair h = Long hair P-Generation H ? hh F1- Generation H ?_ hh H_? H_?

A: Short hair (HH) = donimantLong hair (hh) = recessive Short hair (Hh) = heterozygous

Q: Polydactyly

A: The polydactyly is a dominant disease , so only individual with genotypes Dd and DD will be affected…

Q: 1. In humans, normal pigmentation is due to a dominant gene A. Albinism is due to the recessive…

A: Albinism is an autosomal recessive disease. The presence of homozygous recessive genotype encodes…

Q: 1. A homozygous recessive genotype for the gene that encodes phenylalanine hydroxylase (which breaks…

A: According to the Mendelian genetic, in the genotype, one gene is dominant over the other gene. This…

Q: 1.  Suppose you identify a new gene in mice.  One of its alleles specifies white fur, another…

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

Q: 2. A heterozygous black pig is mated with a homozygous black pig. (a) What are the genotypes of the…

A: Answer.