Introduction to Genetic Analysis
Introduction to Genetic Analysis
11th Edition
ISBN: 9781464109485
Author: Anthony J.F. Griffiths, Susan R. Wessler, Sean B. Carroll, John Doebley
Publisher: W. H. Freeman
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Chapter 3, Problem 30P

a.

Summary Introduction

To determine:  The trait as recessive or dominant according to the offspring produced.

Introduction. The genetic material is all the living organism is the DNA (deoxyribonucleic acid). All the eukaryotes as well the prokaryotes have defined set of DNA sequence, which is inherited from one generation to another and codes for all the characters of the organism.

b.

Summary Introduction

To determine:  The presence of trait as autosomal or sex linked.

Introduction. The DNA (deoxyribose nucleic acid) is made up of stacks of nucleotides that are joined to each other by phosphodiester bond vertically and horizontally by H-bonds. The adenine and thymine forms two H-bonds while the bases guanine and cytosine forms three H-bonds.

c.

Summary Introduction

To determine:  The genotypes of parent and progeny.

Introduction. The process of DNA replication is the process by which the genetic material of the organism copies itself to be distributed among the daughter cells during cell division. The DNA replication takes place before the cell division and prepares the cell for mitosis and meiosis. This process is followed by transcription and translation

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Rabbits may be classified as agouti, chinchilla, Himalayan, or albino according to coat color. A cross between CC h x C ch c produced 5 agouti, 3 chinchilla and 2 Himalayans.  a. What are the phenotypes of the parent rabbits? Copy the genotypes then write the corresponding phenotype beside each.  b. What are the genotypes of the F1s?  c. What mode of inheritance is exhibited?  d. If the two F1 agouti genotypes will be crossed, what percentage of theiroffspring will have the same phenotype?  e. What will be the genotypes of the rabbits in (d)?
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Consider a situation where you have a parental cross with the mother and father phenotypes listed below. Remember that the genotype for the wild-type parent is always homozygous.   The counts of the F1 offspring are listed in Table 1. Two randomly selected individuals are selected and mated to produce a set of F2 individuals. If you test the F2 counts to determine whether they are consistent with an autosomal dominant mode of inheritance, what is your decision? Use a 0.05 significance level.   PARENTAL CROSS   Parental cross: Mother with disease phenotype, Father with wild-type phenotype.   Table 1. F1 DATA   Gender Phenotype Disease Wild-type Male 0 23 Female 0 34         Table 2. F2 DATA   Gender Phenotype Disease Wild-type Male 7 25 Female 0 25     A)Do not reject the null hypothesis that the F2 data are consistent with an autosomal dominant mode of inheritance; chi-square goodness of fit test statistic value is between 0 and 1. B)Reject the null…
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How to solve genetics probability problems; Author: Shomu's Biology;https://www.youtube.com/watch?v=R0yjfb1ooUs;License: Standard YouTube License, CC-BY
Beyond Mendelian Genetics: Complex Patterns of Inheritance; Author: Professor Dave Explains;https://www.youtube.com/watch?v=-EmvmBuK-B8;License: Standard YouTube License, CC-BY