Genetic Analysis: An Integrated Approach (3rd Edition)
Genetic Analysis: An Integrated Approach (3rd Edition)
3rd Edition
ISBN: 9780134605173
Author: Mark F. Sanders, John L. Bowman
Publisher: PEARSON
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Chapter 10, Problem 12P

A pair of homologous chromosomes in Drosophila has the following content (single letters represent genes):

Chromosome 1  RNMDHBGKWU

Chromosome 2 RNMDHBDHBGKWU 

a. What term best describes this situation?

b. Diagram the pairing of these homologous chromosomes in prophase I.

c. What terms best describes the unusual structure that forms during pairing of these chromosomes?

d. How does the pairing diagrammed in part (b) differ from the pairing of chromosomes in an inversion heterozygote?

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Students have asked these similar questions
a. What is the diploid number of chromosomes for a human? b. What is the haploid number of chromosomes for a human? Which cells are considered diploid, gametes or somatic cells? C. d. Which cells are considered haploid, gametes or somatic cells?
a. What letters are used to represent the short andlong arms of human chromosomes?b. Sketch a schematic diagram of a hypothetical chromosome 3 that has 3 regions with 2 bands each on the short arm and 5 regions with 3 bands each onthe long arm. Label the arms, regions, and bandsand indicate a gene at position 3p32.
In a turtle species, a diploid cell in the G1 phase of the cell cycle contains 22 picograms of DNA (picogram is a measure of the total mass of the DNA present). How much DNA is present in a cell of the same species at prophase II of meiosis (prophase of the second meiotic division)?

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Genetic Analysis: An Integrated Approach (3rd Edition)

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