A wild-type male and a wild-type female Drosophila with red eyes and full wings are crossed. Their progeny are shown below: Males Females 3/8 Full wing, Red eye ¾ Full wing, Red eye 3/8 Miniature wing, Red eye ¼ Full wing, Purple eye 1/8 Full wing, Purple eye   1/8 Miniature wing, Purple eye   1. What is/are the genotype(s) of females with purple eye? Of males with purple eye and

Q: How many gametes of differing genotypes can a female drosophila of genotype ABC/abc produce? How…

A: There will be same gametes will be developed in males and females. The explanation is given bellow.

Q: Assuming no crossover takes place, how many copies of the short-hair allele (h) will be present in…

A: Dominant allele Dominant allele is the factor (term use by Mendel, now it is known as gene) which…

Q: If the proband (III-2) marries a carrier woman, what is the probability that they will have an…

A: Family Analysis Each of the ends in regards to quality activity (predominant/passive; codominant) we…

Q: You have a Drosophila line that is homozygous for autosomal recessive alleles a, b, and c, linked…

A: The Recombinant Frequency tells us about the percentage of or the proportion of recombinants present…

Q: A woman homozygous dominant for albinism marries a man who is homozygous recessive for albinism.…

A: Albinism is an autosomal recessive disease. In albinism, deficiency of tyrosinase enzyme occurs due…

Q: The crossing of two orange-flowering plants results in 61 orange-flower progeny and 27 white-flower…

A: Introduction The passing on of traits from parents to their offspring is known as heredity, also…

Q: A, B and C are three linked genes,  A and B are separated by 40 cM and B and C are separated by 30…

A: Two linked genes have a certain “rate of concurrence” of recombination between them. This is known…

Q: In Drosophila, the genes A, B, and C are linked and in the order given. The distances are A-B = 5…

A: Linked genes are genes that are located on the same chromosome. Unless they are separated by…

Q: In a species of bird, feather colour is determined by a single, non-autosomal gene that shows…

A: Given  Feather colour is non autosomal means it is sex based charecter. Parent phenotype  Female -…

Q: In barley, a self-fertilizing species that can be cross-fertilized, two true-breeding strains with…

A: Cytoplasmic inheritance:Inheritance of genes those present in the organelles of the cytoplasm to the…

Q: . What is the probability of producing a child that willphenotypically resemble either one of the…

A: The phenotype is the physical expression of the trait. It is an observable characteristic of an…

Q: In humans, brown eyes (B) are dominant over blue. A brown eyed man marries a blue-eyed (b) woman and…

A: The phenotype of an individual is determined by his or her genotype. The genotype is determined by…

Q: In cats, S = short hair; s = long hair; XC = black coat; Xc = yellow coat; XCXc = tortoiseshell…

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

Q: In mice the autosomal genotype yy is for gray fur, YY is for brown fur and Yy is for yellow fur.…

A: DNA ( deoxyribonucleic acid) is the genetic material that the organism inherits from the parental…

Q: Consider three independently assorting autosomal genes in Drosophila: X, Y and Z. When crossed to a…

A: The genotype of male drosophila = XXyyZz The genotype of female drosophila = XxYYZz

Q: Two pink-flowered four-o’clock plants were crossed to each other.What is the probability that a…

A: Incomplete dominance is a type of interaction in which both dominant and recessive alleles express…

Q: If we perform the following cross, AABB x AaBb, how many unique haploid gamete genotypes are…

A: We have,  Genotypes of parents - AABb and AaBb Possible gametes of parents of genotype AABb - AB and…

Q: In Drosophila, a cross was made between a yellowbodied male with vestigial (not fully…

A: Genes can be defined as an important unit of inheritance. A pair of genes is called allele. These…

Q: A number of all-white cats are crossed, and they produce the following types of progeny: 1216…

A: To find: To find the correct genotype of the black progeny from the given types of progeny

Q: White eyes is a Drosophila phenotype that is linked to a mutant, recessive, X- inked allele.…

A: Sex-linked(X-linked) inheritance is a type of criss-cross inheritance, where the traits from the…

Q: In Drosophila, the allele for brown eyes (b) is recessive, while the red eye allele (B) is dominant.…

A: Dominant traits Red eye - B Normal body - E Recessive traits brown eye - b ebony body - e The…

Q: Radishes may be round, oval and lomg. Aside from this, they may be red, purple or white in color.…

A: Genetic inheritance is a mechanism by which characters or traits from one generation are passed to…

Q: Radishes may be round, oval and lomg. Aside from this, they may be red, purple or white in color.…

A: The Result of various crosses are:-

Q: A homozygous round seeded plant is crossed with a homozygous wrinkled seeded plant. What are the…

A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…

Q: In fruit flies, red eyes (R) are dominant over purple (r). Two red- eyed parents are crossed,…

A: An allele is a variant form of a given gene.  Phenotype is the observed physical traits of an…

Q: When Mendel crossed yellow-seeded and green-seeded pea plants, all the offspring were yellow-seeded.…

A: Given: Mendel crossed yellow-seeded and green-seeded pea plants, all the offspring were…

Q: What is the result of crossing a black male cat (Nn) and a black female cat (Nn)

A: If a black male cat having allele Nn is crossed with with female cat having allele Nn Suppose N…

Q: Assume that color blindness is a recessive character on the X chromosome. A man and woman with…

A: Introduction  Inheritance referred to the transmission of character/traits in the form of gene from…

Q: olydactylism (extra digits) is due to a dominant autosomal allele, what is the likelihood that a…

A: Polydactyly is an autosomal dominant condition. Incomplete dominance is the type of inheritance in…

Q: A) Calculate the map distance separating the three genes B) Which gene is in the middle?

A: Symbol  white eyes = r short wings = l  ebony bodies = g    red eyes = R long wings = L  Gray bodies…

Q: The fly with vestigial wings is crossed with the fly with normal wings shown in the upper-right…

A: The length of wings in Drosophila is determined by the wing length gene. There are two distinct…

Q: In fruit flies (Drosophila melanogaster), the bn+ allele for normal dull red eyes is dominant to the…

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

Q: In rabbits, gray hair (G) is dominant to white hair (g), and black eyes (B) are dominant to red eyes…

A: The genotype is the genetic material passed down through generations, while the phenotype is an…

Q: You have a Drosophila line that is homozygous for autosomal recessive alleles a, b, and c, linked in…

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

Q: Individuals of genotype AaBb were mated to individuals of genotype aabb. One thousand offspring were…

A: Individuals of genotype AaBb were mated to individuals of genotype aabb. One thousand offspring were…

Q: For pea plants with the following genotypes, list the possible gametes that the plant can make:A. TT…

A: Genetics is the branch of biology that deals with the study of genes, their inheritance patterns,…

Q: The crossing of two orange-flowering plants results in ~2/3 orange-flower progeny and ~1/3…

A: Dominant character is expressed in homizygous condition as well as heterozygous condition. Recessive…

Q: Strain A Strain B BB bb A a Virescent Virescent F1 NOT FOR A Virescent

A: The female strain of barley with genotype BB is virescent While the strain B male with genotype Bb…

Q: In Drosophila, sepia colored eyes are due to a recessive allele s and red eyes are due to a dominant…

A: The study of heredity and variation is called genetics. The basic principles of genetics were…

Q: A diploid plant has red flowers, heavy seeds and large leaves. The plant is a heterozygous for the…

A: The presence of two different alleles at a particular gene locus is called heterozygous.

Q: barley, a self-fertilizing species that can be cross-fertilized, two true-breeding strains with…

A: Reciprocal cross is done where different parental types are used both as a maternal form and as a…

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

A: Genotype is defined as the complete set of genes present in the individual and the information of…

Q: A heterozygous bald man marries a recessive nonbald woman.  What is the phenotypic ratio of the F1?

A: A cross of Hetrozygous dominant ( for Baldness) with homozygous recessive ( for non-baldness) should…

Q: The three genes X, Y, and Z are linked on an autosomal chromosome in humans (X to Y is 15 cM, and Y…

A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…

Q: In the pedigree attached, the shaded symbols represent people affected with a neurological disorder…

A: The pedigree is the family history of a particular disease that involves several signs and symbols…

Q: In humans, brown eyes (B) are dominant over blue (b)*. A brown-eyed man marries a blue-eyed woman…

A: Punnet square isbgiven by Reginald C. Punnet. Here, the gametes and offpsrings are denoted in a…

Q: In the fruit fly Drosophila melanogaster, the following genes and mutations are known:Wing size:…

A: Gene: Genes are genetic material that passes from parents to progeny. The dominant allele can…

Q: In the following cross, imagine that you have a female fly that has two Xs and one Y due to a…

A: A punnett square is used to determine the genotypes and phenotypes of progenies for a couple.

Q: In Drosophila melanogaster, a yellow-bodied (dark coloured) male with vestigial (underformed) wings…

A: Drosophila malenogaster is a fruit fly from family drosophilidae.

Q: In a cross AaBbCc × AaBbCc, what is the number of gametes would be produced from the first parent?

A: Each gene may exists in alternative forms called allele. It can be dominant or recessive. Dominant…