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: Consider a cross between a true breeding purple flowered pea plant (genotype PP) and a true breeding…

A: Phenotype is the external appearance of an organism.

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: Consider the following cross examining four gene in two parental line: Parent 1: A/a; B/B; D/d; E/e…

A: Phenotype  Phenotype is the physical visible characteristic which is expressed by the the gene of an…

Q: Calculate the probability of either all-dominant or all-recessive genotypes for the alleles A, B, E,…

A: For each gene pair, the probability of getting a homozygous dominant genotype (e.g., AABB) is 1/4…

Q: For the mating AaBBDdGg x AabbDdGG, draw the monhybrid punnet squares, one for each of the four…

A: A Punnett square is defined as the graphical representation of possible genotypes of offspring…

Q: 11. In cockroaches, red exoskeletons (bodies) are recessive to black exoskeletons. A red male…

A: Allele and Phenotype letter Phenotype C Back exoskeleton c red exoskeleton All Genotype…

Q: In a species of cats, eye color can be gray, blue, green or brown. Lines that are true-breeding for…

A: Introduction :- Pleiotropy is a genetic phenomenon in which a single gene has multiple effects on an…

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: What are the possible gametes contributed by the parental‘s in P1 cross?. ProgenyClass. And how do I…

A: Parental class gamete are produced in the offsprings which have exactly the same allele as possessed…

Q: In a diploid plant species, an F1 with the genotype Mm Rr Ss is test crossed to a pure breeding…

A: The shuffling of genes (alleles) between chromosomes is referred to as recombination. This allows…

Q: student crossed a female worm homozygous for the dpy-17 e164 allele with a wild-type male worm…

A: Chi square test is a statistical test which is used to check whether there is significant difference…

Q: Table 1:  F1 ebony flies - 0  F1 non-ebony flies - 560  F1 stubble flies - 560  F1 non-stubble…

A: In genetics, the genes forms the basic inheritance units with its alternative forms called alleles.…

Q: Which phenotypes can be said to be dominant?

A: Answer: Phenotype is the physical appearance of any living organisms, it can be either dominant or…

Q: • Consider the selfed offspring of a AaBbCcDd individual: •What is the probability that offspring…

A: An organism's genotype, or the collection of alleles it contains for a certain trait, is referred to…

Q: In a study of several characters, it was found that when di-hybrid crosses were made, several genes…

A: A genetic map is a chromosome map that depicts the relative positions of genes and other significant…

Q: The table below shows the progeny of a test cross of a heterozygote (MmRrDd). Each row shows the…

A: Test Cross: A test cross is a breeding experiment that is used to determine the genotype of an…

Q: For the selected parent genotypes, type in the phenotype and genotype ratio percentages. What is the…

A: 📌 Detailed Explanations To solve a dihybrid cross problem, particularly one involving two traits…

Q: Phenotype wild Black body Black body wild wild Black body Black body wild Brown Brown Brown…

A: Three point cross is one of the efficient way of mapping 3 genes at once  which allows the order of…

Q: A cross in plants is done between the parents CCDD and ccdd to create a dihybrid F1 plant. This F1…

A: Introduction: Genetic variation refers to the differences in genetic material that exist among…

Q: Consider a situation where F1 is backcrossed with one of its parental lineage and we obtained…

A: Introduction An allele is an alternative form of a given gene, meaning it is one of two or more…

Q: Two linked loci have a recombination frequency of 5%. A series of crosses is performed. The P…

A: Given information The recombination frequency is 5%. The P generation involves an individual that…

Q: You have already localized the genes to the same chromosome by deletion mapping, and now decide that…

A: A test cross is one that involves cross between an individual (with unknown genotype) with a…

Q: recessive phenotype. There were 36 offspring produced. Two of those offspring were crossed with each…

A: To obtain this kind of cross 3 alleles will be taken. Parent 1- TTPPQQ gametes from parent 1- TPQ,…

Q: Below are the results from a 3 gene testcross between an XxYyZz plant and an xxyyzz plant: Testcross…

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

Q: Below is the linkage map for genes y, sh and c that are in cis arrangement. Interference is 0.4 and…

A: The cis arrangements of genes on a chromosome mean that all the dominant genes are on one chromosome…

Q: You have determined that the gene order for three linked genes being studied is CBA. The number of…

A: The frequency of recombination events between two genes (i.e., their degree of genetic linkage) is…

Q: A cross is made between a heterozygote, +++/abc, and a recessive homozygote, 450 + C 10 a + c 70 +bc…

A: Q. A cross is made between a heterozygote, +++/abc, and a recessive homozygote, abc/abc. Analysis of…

Q: The image shows a pair of homologous chromosomes from a single parent before gamete production. M1…

A: Genetic linkage is a study which shows us the  genes or alleles which are close to each other on a…

Q: A 3-point test cross produces the following numbers of offspring: The yellow cells are the…

A: The three point test cross data is given in the question. The three genes are involved in a three…

Q: In jabuticaba tree plant, Plinia cauliflora, the AA, Aa plants round fruit and aa oval fruit, the…

A: Complete dominance occurs when the phenotype of the heterozygote (Aa) is indistinguishable from the…

Q: letter B: If the map distance equals the number of recombinant/total of offspring, wouldn't it be…

A: Gene distance The distance between two different gene located on the same chromosomes.

Q: Consider the following three point trihybrid testcross ibvolving traits in dragons. The genotypes…

A: The three-point cross or trihybrid cross allows the order and distance between three potentially…