crossing between two heterozygous fruit flies, the ratio was shown to be 9:3:3:1. What would the parental fruit fly’s genotype have been if the resulting offspring had a 1:1:1:1 ratio instead? Multiple Choice   -LlBb X LlBb   -LlBb X Llbb   -Llbb X llBb   -LLBB x llbb   -llbb X LlBb

Q: A wild-type fruit fly (heterozygous for gray body color and wings) mated with a black fruit fly with…

A: Need to find the recombination frequency between the two genes.

Q: Convert the expected phenotypic ratio from Part A into the expected probability for each of the four…

A: Dominant traits Round fruit (R) Red fruit (F) Recessive traits oval fruit (r) Yellow fruit (f)…

Q: Consider the genetic map below. (a) In a total of 1000 observed progeny, how many would be expected…

A: The map distance between genes is expressed as the frequency of recombinant progenies observed. Its…

Q: In a cross between a 29cm plant and a 20cm plant what would be the genotypes giving the smallest…

A: Height in plants is a polygenic trait, in which one phenotype is influenced by more than one gene.…

Q: Perform two consecutive crosses similar to those of Mendel for the following individual plants.…

A: Plants with round seeds (RR) and plants with wrinkled seeds (WR) are crossed (rr). Both parents are…

Q: Tomato Plants In tomato plants, round fruit (R) is dominant to oval fruit (r). Pure breeding plants…

A: Answer: DIHYBRID CROSS : It is the cross made between two traits of an individual.  Phenotypic…

Q: Two true-breeding varieties of maize, one 11 cm high and the other 47 cm high were crossed and the…

A: To find: The genotypes giving the smallest number of different phenotypes in a cross between a 29cm…

Q: A wild-type fruit fly (heterozygous for gray body color andnormal wings) is mated with a black fly…

A: Hi since there are multiple questions posted we will provide you with answers for the first question…

Q: In a cross between a 29cm plant and a 20cm plant what would be the genotypes giving the smallest…

A: heights in plants is a polygenic trait that is controlled by multiple genes that might be linked…

Q: A cross in Drosophila melanogaster involved the recessive X-linked genes for white eye (w), yellow…

A: In Drosophila melanogaster , there as three types of genes :  A ) White eye ( w )  B ) Yellow body (…

Q: Tomato Plants In tomato plants, round fruit (R) is dominant to oval fruit (r). Pure breeding plants…

A: Given that, allele R is dominant over allele r where R represents the allele for round shape and r…

Q: Two pure-breeding parents produced a heterozygous female offspring (AaBb) that was then testcrossed…

A: to determine the genetic linkage of genes, we can use a test cross which can ascertain the presence…

Q: Consider the following genetic map from Mischievous gremlinus: A 6.0 CM H B + 13.4 CM C Interference…

A: Three genes control three traits in the mischievous gremlinus. Alleles A, B, and C represent the…

Q: Consider these two crosses and assume that independent segregation is exhibited by all gene pairs:…

A:

Q: An ear of corn has a total of 381 grains, including 216 Purple & Smooth, 79 Purple & Shrunken, 65…

A: Answer: Introduction: From given data, there are four grain phenotypes in the ear of genetic corn:…

Q: Tomato Plants In tomato plants, round fruit (R) is dominant to oval fruit (r). Pure breeding plants…

A: Dihybrid cross: A dihybrid cross occurs between two organisms that are identical hybrids for a given…

Q: Two genes on chromosome 7 of corn are glossy (g) for leaf texture and ramosa (r), which determines…

A: The formula of calculating recombination frequency is : Recombinant Frequency = number of…

Q: three recessive genes a, b, and c in the model plant Arabidopsis are found to be linked on…

A:

Q: Tomato Plants In tomato plants, round fruit (R) is dominant to oval fruit (r). Pure breeding plants…

A: 1. Converted the expected phenotypic ratio from Part A into the expected probability for each of the…

Q: In Drosophila, the following genes and mutations are known: Wing size – recessive allele for tiny…

A: The genotype means the genetic makeup of organisms while phenotype is the physical appearance of the…

Q: An ear of corn has a total of 381 grains, including 216 Purple & Smooth, 79 Purple & Shrunken, 65…

A: Answer: DIHYBRID CROSS = It is a cross between two traits of a same species reproducing progeny at…

Q: In corn the genes for tassel length (alleles T and t) and rust resistance (alleles R and r) are…

A: Progeny receives the character from parents in the form of egg and sperm. The transfer of character…

Q: Here's the cheat-sheet below. tt nontaster (homozygous recessive): single band at 221bp TT taster…

A: The sequence of a "DNA segment" can be used for a variety of purposes. The sequence of amino acids…

Q: A cross was performed using Drosophila melanogaster involving a female known to be heterozygous for…

A: An organism has phenotype and genotype. Phenotype is the observable characteristics and genotype is…

Q: REad and analyzed the following genetic problem. Show complete solution (Genotypes of P, Punnet…

A: The Law of independent assortment states that alleles responsible for the inheritance of two…

Q: In flies, assume black (B) is dominant and green (b) is recessive for abdomen color, and straight…

A: A genetic map displays the map distance (in cM) between any two loci as well as the position of…

Q: FRR) were crossed to pure breeding plants with yellow and oval fruit (ffrr). The red and round F1…

A:

Q: Tall (A) is completely dominant to short (a), and red (B) is completely dominant to white (b) in a…

A: The back-cross is a type of mendelian cross which is used to determine the properties of the alleles…

Q: 近 In 1911, Thomas Hunt Morgan collected the following crossover gene frequencies while studying…

A: The genes are the hereditary unit of an organism. The genes are present in the chromosome that is…

Q: Which of the following represents the correct phenotypes of the F2 offspring? Select one: a.…

A: INTRODUCTION Dihybrid cross Dihybrid cross happens between two individuals having two different…

Q: Tomato Plants In tomato plants, round fruit (R) is dominant to oval fruit (r). Pure breeding plants…

A: A test cross is a way to explore the genotpye of an organism. When a dominant phenotype i.e…

Q: Two true-breeding varieties of maize, one 11 cm high and the other 47 cm high were crossed and the…

A: In a true-breeding variety of maize, 11cm height represent the dominant character having genotype,…

Q: A. Select and assign symbols for the genes involved, and determine the genotypes of the parents and…

A: Genotype - Genotype is defined as the genetic constitution of the organisms. It represents the…

Q: Two true-breeding varieties of maize, one 11 cm high and the other 47 cm high were crossed and the…

A: Quantitative genetics or polygenic inheritance was first studied by J Kolreuter (1760) in case of…

Q: Tomato Plants In tomato plants, round fruit (R) is dominant to oval fruit (r). Pure breeding plants…

A: In tomato plants, the round fruit shape is dominant over the oval fruit shape. The allele for round…

Q: Given the following testcross data for corn in which the genes for fine stripe (f), bronze aleurone…

A: Formulas for three point test cross - A. Distance between two genes = (#progenies obtained by SCO…

Q: In corn the genes for tassel length (alleles T and t) and rust resistance (alleles R and r) are…

A: Genes are located on chromosomes in linear order.

Q: The following is a linkage map of chromosome 5 for three genes in tomato: Lf (normal) vs. lf (leafy)…

A:

Q: Two pure-breeding (homozygous) lines of flies were crossed as follows: P1 phenotype stubby clear…

A: In flies , there are two types of trait :-  A ) Trait for wing size  B ) Trait for wing colour  In…

Q: Consider the genetic map below. (a) In a total of 1000 observed progeny, how many would be expected…

A: Given that, there are 1000 observed progenies. Also given that, the distance between A and B gene is…

Q: A cross between fruit files with genotypes Aa Bb × aa bb produces the following progeny: 10 Aa Bb…

A: In a cross, the arrangement of linked alleles on the chromosomes is critical for determining the…

Q: This is an ungraded question about gene order that I found confusing. If this question possibly…

A: According to the given condition, locus of the recessive alleles (A, B, C, D, and E) is deleted by…

Q: n tomato plants, tall vine (D) is dominant over dwarf vine (d) and round fruit (O) is dominant over…

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

Q: Consider the results of a three point linkage mapping testcross between a female (AaBbCc) and a male…

A: We know that test cross is performed always between the F1 progenies and recessive parents. So…

Q: What is the interference value for this data set?

A: Interference value : A situation in which the occurrence of a cross over between any two nonsister…

Q: The following results were obtained from a dihybrid cross between two pea plants

A: Chi square test is a statistical test used to measure differences between observed and expected…

Q: Consider the results of a three point linkage mapping testcross between a female (AaBbCC) and a male…

A: We know that test cross is performed always between the F1 progenies and recessive parents. So here,…

Q: Consider these two crosses and assume that independent segregation is exhibited by all gene pairs.…

A: Introduction The Punnett square is a square diagram that is used to predict the genotypes of a…

Q: The genes for tall vine D and yellow seed G, are dominant over their respective alleles for dwarf d…

A: D encodes tall phenotype. It is dominant over d allele. The recessive phenotype is dwarf height. G…

Q: Female drosophila heterozygous for ebony (e+/e), scarlet (st+/st) and spineless (ss+/ss) were test…

A: Female drosophila are heterozygous for ebony, scarlet, and spineless were testcross and hence…