Biology
4th Edition
ISBN: 9781259188121
Author: Peter Stiling, Robert Brooker, Linda Graham, Eric Widmaier
Publisher: McGraw-Hill Education
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Chapter 17.2, Problem 1EQ
Summary Introduction
To determine: The hypothesis Bateson and Punnett were testing when conducting the crosses of sweet peas.
Introduction: Bateson and Punnett in the year 1911 conducted an experiment on sweet peas. They made a cross of sweet peas showing linkage between two different genes. In their study they took into consideration two traits- the flower color and shape of the pollen.
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Chapter 17 Solutions
Biology
Ch. 17.1 - Prob. 1CCCh. 17.2 - Prob. 1EQCh. 17.2 - Prob. 2EQCh. 17.2 - Prob. 3EQCh. 17.2 - Prob. 1CCCh. 17.2 - Prob. 1BCCh. 17.2 - Prob. 2CCCh. 17.3 - Prob. 1BCCh. 17.3 - Prob. 1CCCh. 17.4 - Prob. 1CC
Ch. 17.4 - Prob. 2CCCh. 17 - Prob. 1TYCh. 17 - Based on the ideas proposed by Morgan, which of...Ch. 17 - Prob. 3TYCh. 17 - Extranuclear inheritance occurs because a. certain...Ch. 17 - Prob. 5TYCh. 17 - Modification of a gene during gamete formation or...Ch. 17 - Prob. 7TYCh. 17 - When a gene is inactivated during gamete formation...Ch. 17 - Prob. 9TYCh. 17 - Prob. 10TYCh. 17 - Prob. 1CQCh. 17 - Prob. 2CQCh. 17 - Prob. 3CQCh. 17 - Mendel studied seven traits in garden pea plants,...Ch. 17 - Prob. 2COQ
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- Tick all the essential steps to demonstrate a genetic linkage between a disease and a molecular marker in humans. identify the alleles of the genetic marker only for diseased individuals in the pedigree enumerate parental type individuals sequence the wild-type and mutant alleles to find the mutation no correct answer calculate a Lod score calculate the recombination frequency between the mutation and the molecular marker identify the alleles of the genetic marker for each individual in the pedigree pedigree analysis cloning the defective gene enumerate recombinant individualsarrow_forwardYou perform a cross between two plants, one MmPp and one mmpp, and obtain offspring with the following phenotypes: 42 MP; 374 Mp; 367 mP; 27 mp. What can you conclude from these data? Group of answer choices The M and P genes are on different chromosomes The recombinant progeny are mP and Mp The M and P genes are far apart on the same chromosome The recombinant progeny are MP and mparrow_forwardWhat is a meaning of genetic linkage? How this test is used? Describe the meaning of SNP (single nucleotide polymorphisms) and genetic distance identification which is used in genetic analysis. Knowing that recombination events occur more or less at random along the length of chromosomes, in which case the recombination will occur more frequently between the genes during meiosis: if two genes are closer together two genes are far away from each other there is no impact based on location of two genes. What is a definition of DNA polymorphism and how can this be used for linkage studies? What is a definition of DNA polymorphism and how can this be used for linkage studies?arrow_forward
- With the given frequency, construct a chromosome map. Arrange the sequence correctly. Write the letters as shown in the example (ex. ABCD). Frequency: M-A: 10%; M-Y: 2%, L-A: 2%; and Y-L: 6%arrow_forwardHere is a strawberry karyotype - ignore the different colours. How many chromosomes are shown in the figure? What is the ploidy of this type of strawberry? How many alleles could an individual strawberry have at each locus? Finally during the G2 stage of cell division, how many double helixes would be in this picture if you drew them over the chromosomes? Many domesticated plants are polyploid - give one possible reason why this might be the case, with a focus on using genetic principles to reason it out (i.e., you don't have to be right per se, you have to build an argument based on what you've already learned).arrow_forwardWhy is karyotyping significant in understanding chromosomal abnormalities? Short essay only thanks please the main answerarrow_forward
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- . A three-point testcross was made in corn. The results and a recombination analysis are shown in the display below, which is typical of three-point testcrosses (p = purple leaves, + = green; v = virus-resistant seedlings, + = sensitive; b = brown midriff to seed, + = plain). Study the display, and answer parts a through c.arrow_forwardConstruct a chromosome map from the following chart showing crossover frequencies for linkage groups on autosomes. Gene Combinations Recombination Frequency a/b 2.5 a/c 3.0 b/c 5.5 b/s 5.5 a/s 8.0 c/s 11.0arrow_forwardThe parent in a crow AaBb and aabb respectively: Draw diagram for each showing the two different genes are linked. Show how the offspring in the coress are produced and clearly label the recombinants.arrow_forward
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