Genetics: From Genes to Genomes
Genetics: From Genes to Genomes
6th Edition
ISBN: 9781259700903
Author: Leland Hartwell Dr., Michael L. Goldberg Professor Dr., Janice Fischer, Leroy Hood Dr.
Publisher: McGraw-Hill Education
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Chapter 13, Problem 41P
Summary Introduction

a.

To determine:

The number of chromosomes in the plant with AABBC chromosome complement, the term that describes the plant’s genetic makeup, and whether the plant is fertile or sterile.

Introduction:

The condition that describes the cells containing only complete sets of chromosomes is referred to as euploid.

Summary Introduction

b.

To determine:

The number of chromosomes in the plant with BBBB chromosome complement, the term that describes the plant’s genetic makeup, and whether the plant is fertile or sterile.

Introduction:

Chromosome refers to a threadlike structure of DNA (deoxyribonucleic acid) found in the nucleus of the most living cells.

Summary Introduction

c.

To determine:

The number of chromosomes in the plant with CCC chromosome complement, the term that describes the plant’s genetic makeup, and whether the plant is fertile or sterile.

Introduction:

Chromosomes are the protein complexes or DNA that carry the genetic information from one generation to next in the form of genes.

Summary Introduction

d.

To determine:

The number of chromosomes in the plant with BBCC chromosome complement, the term that describes the plant’s genetic makeup, and whether the plant is fertile or sterile.

Introduction:

The complete set of chromosomes in the living cell are referred to as ploidy. The changes in the chromosome can be of two kinds: euploidy and aneuploidy.

Summary Introduction

e.

To determine:

The number of chromosomes in the plant with ABC chromosome complement, the term that describes the plant’s genetic makeup, and whether the plant is fertile or sterile.

Introduction:

A specific portion of DNA that serves as a unit of function by encoding a particular protein is known as a gene.

Summary Introduction

f.

To determine:

The number of chromosomes in the plant with AABBCC chromosome complement, the term that describes the plant’s genetic makeup, and whether the plant is fertile or sterile.

Introduction:

The plants that are able to produce seeds are known as fertile plants. The incapability of producing offspring is known as sterility.

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A diploid species has 3 pairs of chromosomes in its somatic cells. In males, the first pair is large submetacentric[1]; the second is medium acrocentric[2], and the third is small telocentric[3].  In females, the first two pairs are like those of the males while the third is large metacentric[4][5], with satellite4 Illustrate the karyograms (drawing/picture of the chromosome) of the following:   A triploid cell in females         tetrasomic cell in males         tetraploid cell in females     [1] submetacentric --centrosome is just above the middle of the chromosome  [2] acrocentric --centrosome is much higher location than submetacentric  so that the “p” arm of the chromosome is much shorter than the q arm [3] telocentric --the centromere is at the end of the chromosome [4] metacentric --centrosome is in the middle of the chromosome; thus the “p-arm” and the “q-arm” or both arms of the chromosome are equal in length [5] satellite-a constriction in an arm of a chromosome, aside…
In an electrophoretic gel across which is applied a powerful electrical alternating pulsed field, the DNA of the haploid fungus Neurospora crassa (n = 7) moves slowly but eventually forms seven bands, which represent DNA fractions that are of different sizes and hence have moved at different speeds. These bands are presumed to be the seven chromosomes. How would you show which band corresponds to which chromosome?
. Genomes A, B, and C all have basic chromosomenumbers (x) of nine. These genomes were derivedoriginally from plant species that had diverged from each other sufficiently far back in the evolutionarypast that the chromosomes from one genome can nolonger pair with the chromosomes from any other genome. For plants with the following kinds of euploidchromosome complements, (i) state the number ofchromosomes in the organism; (ii) provide terms thatdescribe the individual’s genetic makeup as accurately as possible; (iii) state whether or not it is likelythat this plant will be fertile, and if so, give the number of chromosomes (n) in the gametes.a. AABBCb. BBBBc. CCCd. BBCCe. ABCf. AABBCC

Chapter 13 Solutions

Genetics: From Genes to Genomes

Ch. 13 - Genes a and b are 21 m.u. apart when mapped in...Ch. 13 - In the following group of figures, the pink lines...Ch. 13 - Three strains of Drosophila Bravo, X-ray, and...Ch. 13 - Two yeast strains were mated and sporulated...Ch. 13 - Suppose a haploid yeast strain carrying two...Ch. 13 - In the mating between two haploid yeast strains...Ch. 13 - During ascus formation in Neurospora, any...Ch. 13 - In the following figure, black and pink lines...Ch. 13 - In Drosophila, the gene for cinnabar eye color is...Ch. 13 - Semisterility in corn, as seen by unfilled ears...Ch. 13 - A promising biological method for insect control...Ch. 13 - Prob. 23PCh. 13 - a. Among the progeny of a self-fertilized...Ch. 13 - Duchenne muscular dystrophy DMD is caused by a...Ch. 13 - WHIM syndrome is a disease of the immune system...Ch. 13 - Explain how transposable elements can cause the...Ch. 13 - The Drosophila genome normally harbors about 40 P...Ch. 13 - Drosophila P elements were discovered because of a...Ch. 13 - Flies homozygous for mutant alleles of a...Ch. 13 - Fred and Mary have a child named Bob. The genomic...Ch. 13 - Uniparental disomy is a rare phenomenon in which...Ch. 13 - Among adults with Turner syndrome, it has been...Ch. 13 - In Neurospora, his2 mutants require the amino acid...Ch. 13 - Human geneticists interested in the effects of...Ch. 13 - The incidence of Down syndrome will be very high...Ch. 13 - The Drosophila chromosome 4 is extremely small;...Ch. 13 - Down syndrome is usually caused by having a...Ch. 13 - Common red clover, Trifolium pratense, is a...Ch. 13 - The numbers of chromosomes in the somatic cells of...Ch. 13 - Prob. 41PCh. 13 - Somatic cells in organisms of a particular diploid...Ch. 13 - An allotetraploid species has a genome composed of...Ch. 13 - Prob. 44PCh. 13 - Chromosomes normally associate during meiosis I as...Ch. 13 - Using whole-genome sequencing, how could you...Ch. 13 - Prob. 47PCh. 13 - Prob. 48PCh. 13 - Seedless watermelons that you find in the...Ch. 13 - The names of hybrid animals are usually themselves...Ch. 13 - While most animals cannot tolerate polyploidy,...Ch. 13 - What characteristic property of translocations...Ch. 13 - Prob. 53PCh. 13 - In the accompanying figure, the top and bottom...Ch. 13 - Prob. 55PCh. 13 - The accompanying figure shows idiograms of human...Ch. 13 - Prob. 57P
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