Genetics: From Genes to Genomes, 5th edition
Genetics: From Genes to Genomes, 5th edition
5th Edition
ISBN: 9780073525310
Author: Leland H. Hartwell, Michael L. Goldberg, Janice A. Fischer, Leroy Hood, Charles F. Aquadro
Publisher: McGraw-Hill Education
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Chapter 3, Problem 32P
Summary Introduction

To determine:

The explanation for the difference in the amount of phenotypic variations between different types of gene interactions.

Introduction:

Genes are the fundamental unit of inheritance. Every gene contains at least one allele, which is present on the chromosome. These alleles are responsible for the expression of characters in an individual.

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The shape of a pumpkin is determined by the action of two genes A and B. The recessive forms of these two alleles produces a flattened-shaped fruit, whereas the dominant forms of these two alleles produce the typical pumpkin with ridges. When both alleles are heterozygous a disc-shaped pumpkin is produced. If the genotype of the pumpkin plant is homozygous dominant at one allele and heterozygous at the other, the pumpkin will be ball-shaped. If the pumpkin plant is homozygous recessive at one allele and heterozygous at the other allele it produces an oblong-shaped fruit. Plants with genotypes other than the ones listed in this question do not produce pumpkins. Do the following cross: two pumpkin plants capable of making disc-shaped pumpkins are crossed with each other. Based on this cross, answer the following: (Show your work below.) How many of the progeny will make ball-shaped pumpkins?__________________________________________ How many of the progeny will make disc-shaped…
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Chapter 3 Solutions

Genetics: From Genes to Genomes, 5th edition

Ch. 3 - Alleles of the gene that determines seed coat...Ch. 3 - Prob. 12PCh. 3 - In a population of rabbits, you find three...Ch. 3 - In clover plants, the pattern on the leaves is...Ch. 3 - Fruit flies with one allele for curly wings Cy and...Ch. 3 - Prob. 16PCh. 3 - In a species of tropical fish, a colorful orange...Ch. 3 - A rooster with a particular comb morphology called...Ch. 3 - A black mare was crossed to a chestnut stallion...Ch. 3 - Prob. 20PCh. 3 - Prob. 21PCh. 3 - a. How could you describe inheritance of flower...Ch. 3 - Explain the difference between epistasis and...Ch. 3 - The dominant allele H reduces the number of body...Ch. 3 - Secretors genotypes SS and Ss secrete their A and...Ch. 3 - Normally, wild violets have yellow petals with...Ch. 3 - Prob. 27PCh. 3 - Three different pure-breeding strains of corn that...Ch. 3 - In mice, the AY allele of the agouti gene is a...Ch. 3 - A student whose hobby was fishing pulled a very...Ch. 3 - Prob. 31PCh. 3 - Prob. 32PCh. 3 - Three genes in fruit flies affect a particular...Ch. 3 - The garden flower Salpiglossis sinuata painted...Ch. 3 - In foxgloves, there are three different petal...Ch. 3 - In a culture of fruit flies, matings between any...Ch. 3 - Suppose that blue flower color in a plant species...Ch. 3 - Prob. 38PCh. 3 - Considering your answers to Problem 38, does the...Ch. 3 - Prob. 40PCh. 3 - Prob. 41PCh. 3 - Familial hypercholesterolemia FH is an inherited...Ch. 3 - You have come into contact with two unrelated...Ch. 3 - Polycystic kidney disease is a dominant trait that...Ch. 3 - Using each of the seven coat color genes discussed...
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