A cross between fruit files with genotypes Aa Bb × aa bb produces the following progeny: 10 Aa Bb 40 Aa bb 40 aa Bb 10 aa bb Were the parental alleles in the coupling or repulsion configuration? Briefly explain

Q: Given the following information, determine the inheritance of flower color in this plant and…

A: The first set of parents is called the “parental generation” (P). All the offspring generated by…

Q: You perform a cross between a parent with the genotype WWiiNNttEErr and another parent that is…

A: A genotype is the genetic makeup of an organism. This includes the chromosomes, DNA, and alleles…

Q: A Neurospora colony at the edge of a plate seemed to be sparse (low density) in comparison with the…

A: The mutation is any alteration that occurs in the nucleotide sequence due to impaired DNA copying,…

Q: In Drosophila,, the curled mutation (cu, chromosome 3, position 50.0) results in wings that curl up,…

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

Q: In fruit flies, you are mapping three genes in a three point cross. The mutants are hairy body (h),…

A: To determine gene order, we will compare parental and double crossover progenies.

Q: A series of three-point testcrosses is made to determine the genetic map order of seven linked…

A: An allele is a genetic variant, which is expressed as A (capitalized) when the trait is dominant and…

Q: Flower color in petunias is determined by the biochemical pathway shown below: B → Orange A C_…

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Q: In corn, male sterility is controlled by maternal cytoplasmic elements. This phenotype renders the…

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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: In Drosophila, a cross was made between a yellow-bodied male with vestigial wings and a wild-type…

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

Q: Consider the following dihybrid testcross: B/b • E/e  ×  b/b • e/e For the progeny from this…

A: If the genes are completely linked, then only parental progenies will be formed. If the genes show…

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: Female fruit flies from a true-breeding strain with yellow body and cut wings are mated to male…

A: The physical separation between the positions of two genes on a chromosome is referred to as the…

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

A: Linkage is a phenomenon in which how genes are placed in close proximity to each other but in the…

Q: In a testcross of a corn plant heterozygous for 3 linked, recessive genes (a, b, & d), the following…

A: Alfred H. Sturtevant was the first to discover gene mapping. In order to determine the relative…

Q: In autotetraploid Chinese primrose (Primula sinensis L.), the gene controlling stigma color is very…

A: Blue colored flowers is because of the A alleles and slate colored flowers result from a alleles; G…

Q: y ec +y ec w Determine the order in which th Occur on the chromosome and pr 7.22 A cross involving…

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Q: autotetraploid Chinese primrose (Primula sinensis L.), the gene controlling stigma color is very…

A: Autotetraploid is a genetic condition that is characterized by the presence of four times the…

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

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Q: Fine spines (s), smooth fruit (tu), and uniform fruit color (u) are three recessive traits in…

A: Three point test cross data is given in the image. It involves crossing of parents with three traits…

Q: a) O (black) allele is dominant to the o (orange) allele Black eyes (0/0 or Olo) c) What are the…

A: Scientists utilize genetic markers and monitor their recombination frequency during the development…

Q: A plant believed to be heterozygous for a pair of alleles B/b (where B encodes yellow and b encodes…

A: Genes are the segments of DNA which are responsible for expression of a particular protein or…

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

A: True breed plants are defined as having identical alleles, which constitute their genotype and give…

Q: In a cross between a white-eyed female (ww) and a red-eyed male (w+Y), nearly all the progeny were…

A: When a cross takes place between a white-eyed female (ww) and a red-eyed male (w+Y), nearly all the…

Q: Draw a preliminary linkage map of the three loci. What is their order? (E.g. is the forked locus…

A: A genetic map is a linkage map of a species or experimental population that shows the position of…

Q: Consider three genes L, U, and W, for which the count of F2 phenotypes after a 3-point cross is as…

A: The parent gametes would be having the highest frequency thus they are IUW and Luw. The gametes…

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

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Q: In an autotetraploid Chinese primrose (Primula sinensis L.), the gene controlling stigma color is…

A: G gene coded for green  stigma  g gene coded for red stigma   GG = homozygous dominant = green  Gg…

Q: A cross between two red flower plants produces 2/3 progeny that are red and1/3 progeny that are…

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

Q: In corn (Zea mays), the wild type trait is for kernels to be round; some kernels are shrunken (S),…

A: In Zea Mays the shape of kernels is determined by various genes. Usually two varieties are observed,…

Q: Calculate the coefficient of coincidence and interference among thegenes.

A: Coefficient of coincidence is the ratio between number of observed by number of expected double…

Q: Deduce the phenotypic proportions in the progeny of thefollowing crosses of autotetraploids in which…

A: Phenotypic proportion shows the ratio of offspring's combination genes and these are similar in the…

Q: In an intra-species cross performed in mustard plants of two different species (Brassica juncea and…

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

Q: locus. The allele for brown eye color is dominant to the allele for brick red eye color and to the…

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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: In a diploid plant species, an F1 with the genotype Gg Ll Tt is test-crossed to a pure-breeding…

A: The cross, which involves the inheritance of three genes, is called the trihybrid cross. According…

Inheritance and Mendelian Genetics

Inheritance means the passing of traits to offspring from parents. These traits could be passed either through asexual reproduction or sexual reproduction. The offspring receives the genetic material from the parents. Mendelian inheritance is a certain biological inheritance that follows the rules and principles laid down by Gregor Mendel in 1865. The initial hypothesis was considered wrong, but other inheritance theories modified the concept of inheritance and thus genetics.